Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×
An out-of-bounds read flaw was found in w3m, in the Strnew_size function in Str.c. This issue may allow an attacker to cause a denial of service through a crafted HTML file. (CVE-2023-38252) An out-of-bounds read flaw was found in w3m, in the growbuf_to_Str function in indep.c. This issue may allow an attacker to cause a denial . MGASA-2024-0105 - Updated w3m packages fix security vulnerabilities Publication date: 01 Apr 2024 URL: https://advisories.mageia.org/MGASA-2024-0105.html Type: security Affected Mageia releases: 9 CVE: CVE-2023-38252, CVE-2023-38253, CVE-2023-4255 An out-of-bounds read flaw was found in w3m, in the Strnew_size function in Str.c. This issue may allow an attacker to cause a denial of service through a crafted HTML file. (CVE-2023-38252) An out-of-bounds read flaw was found in w3m, in the growbuf_to_Str function in indep.c. This issue may allow an attacker to cause a denial of service through a crafted HTML file. (CVE-2023-38253) An out-of-bounds write issue has been discovered in the backspace handling of the checkType() function in etc.c within the W3M application. This vulnerability is triggered by supplying a specially crafted HTML file to the w3m binary. Exploitation of this flaw could lead to application crashes, resulting in a denial of service condition. (CVE-2023-4255) References: - https://bugs.mageia.org/show_bug.cgi?id=33027 - https://lists.fedoraproject.org/archives/list/
Added upstream patch to fix out-of-bounds access due to multiple backspaces to address incomplete fix for CVE-2022-38223 (#2222775, #2222780, #2255207). -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2024-38c2261ca0 2024-03-27 01:36:32.511401 -------------------------------------------------------------------------------- Name : w3m Product : Fedora 38 Version : 0.5.3 Release : 63.git20230121.fc38 URL : Summary : Pager with Web browsing abilities Description : The w3m program is a pager (or text file viewer) that can also be used as a text-mode Web browser. W3m features include the following: when reading an HTML document, you can follow links and view images using an external image viewer; its internet message mode determines the type of document from the header; if the Content-Type field of the document is text/html, the document is displayed as an HTML document; you can change a URL description like ' in plain text into a link to that URL. If you want to display the inline images on w3m, you need to install w3m-img package as well. -------------------------------------------------------------------------------- Update Information: Added upstream patch to fix out-of-bounds access due to multiple backspaces to address incomplete fix for CVE-2022-38223 (#2222775, #2222780, #2255207) -------------------------------------------------------------------------------- ChangeLog: * Mon Mar 18 2024 Robert Scheck - 0.5.3-63.git20230121 - Added upstream patch to fix out-of-bounds access due to multiple backspaces to address incomplete fix for CVE-2022-38223 (#2222775, #2222780, #2255207) * Sat Jan 27 2024 Fedora Release Engineering - 0.5.3-62.git20230121 - Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild * Sat Jul 22 2023 Fedora Release Engineering - 0.5.3-61.git20230121 - Rebuilt forhttps://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild -------------------------------------------------------------------------------- References: [ 1 ] Bug #2222775 - CVE-2023-38252 w3m: Out of bounds read in Strnew_size() at w3m/Str.c https://bugzilla.redhat.com/show_bug.cgi?id=2222775 [ 2 ] Bug #2222779 - CVE-2023-38253 w3m: Out of bounds read in growbuf_to_Str() at w3m/indep.c https://bugzilla.redhat.com/show_bug.cgi?id=2222779 [ 3 ] Bug #2255207 - CVE-2023-4255 w3m: out-of-bounds write in function checkType() in etc.c (incomplete fix for CVE-2022-38223) https://bugzilla.redhat.com/show_bug.cgi?id=2255207 -------------------------------------------------------------------------------- This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2024-38c2261ca0' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at https://fedoraproject.org/security/ -------------------------------------------------------------------------------- -- _______________________________________________ package-announce mailing list --
Added upstream patch to fix out-of-bounds access due to multiple backspaces to address incomplete fix for CVE-2022-38223 (#2222775, #2222780, #2255207). -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2024-3fc66f8bf3 2024-03-27 01:25:46.424178 -------------------------------------------------------------------------------- Name : w3m Product : Fedora 39 Version : 0.5.3 Release : 63.git20230121.fc39 URL : Summary : Pager with Web browsing abilities Description : The w3m program is a pager (or text file viewer) that can also be used as a text-mode Web browser. W3m features include the following: when reading an HTML document, you can follow links and view images using an external image viewer; its internet message mode determines the type of document from the header; if the Content-Type field of the document is text/html, the document is displayed as an HTML document; you can change a URL description like ' in plain text into a link to that URL. If you want to display the inline images on w3m, you need to install w3m-img package as well. -------------------------------------------------------------------------------- Update Information: Added upstream patch to fix out-of-bounds access due to multiple backspaces to address incomplete fix for CVE-2022-38223 (#2222775, #2222780, #2255207) -------------------------------------------------------------------------------- ChangeLog: * Mon Mar 18 2024 Robert Scheck - 0.5.3-63.git20230121 - Added upstream patch to fix out-of-bounds access due to multiple backspaces to address incomplete fix for CVE-2022-38223 (#2222775, #2222780, #2255207) * Sat Jan 27 2024 Fedora Release Engineering - 0.5.3-62.git20230121 - Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild -------------------------------------------------------------------------------- References: [ 1 ] Bug #2222775 - CVE-2023-38252 w3m: Out of boundsread in Strnew_size() at w3m/Str.c https://bugzilla.redhat.com/show_bug.cgi?id=2222775 [ 2 ] Bug #2222779 - CVE-2023-38253 w3m: Out of bounds read in growbuf_to_Str() at w3m/indep.c https://bugzilla.redhat.com/show_bug.cgi?id=2222779 [ 3 ] Bug #2255207 - CVE-2023-4255 w3m: out-of-bounds write in function checkType() in etc.c (incomplete fix for CVE-2022-38223) https://bugzilla.redhat.com/show_bug.cgi?id=2255207 -------------------------------------------------------------------------------- This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2024-3fc66f8bf3' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at https://fedoraproject.org/security/ -------------------------------------------------------------------------------- -- _______________________________________________ package-announce mailing list --
Added upstream patch to fix out-of-bounds access due to multiple backspaces to address incomplete fix for CVE-2022-38223 (#2222775, #2222780, #2255207). -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2024-aeb75f8b5b 2024-03-23 00:20:56.402873 -------------------------------------------------------------------------------- Name : w3m Product : Fedora 40 Version : 0.5.3 Release : 63.git20230121.fc40 URL : https://w3m.sourceforge.net/ Summary : Pager with Web browsing abilities Description : The w3m program is a pager (or text file viewer) that can also be used as a text-mode Web browser. W3m features include the following: when reading an HTML document, you can follow links and view images using an external image viewer; its internet message mode determines the type of document from the header; if the Content-Type field of the document is text/html, the document is displayed as an HTML document; you can change a URL description like ' in plain text into a link to that URL. If you want to display the inline images on w3m, you need to install w3m-img package as well. -------------------------------------------------------------------------------- Update Information: Added upstream patch to fix out-of-bounds access due to multiple backspaces to address incomplete fix for CVE-2022-38223 (#2222775, #2222780, #2255207) -------------------------------------------------------------------------------- ChangeLog: * Mon Mar 18 2024 Robert Scheck - 0.5.3-63.git20230121 - Added upstream patch to fix out-of-bounds access due to multiple backspaces to address incomplete fix for CVE-2022-38223 (#2222775, #2222780, #2255207) -------------------------------------------------------------------------------- References: [ 1 ] Bug #2222775 - CVE-2023-38252 w3m: Out of bounds read in Strnew_size() at w3m/Str.c https://bugzilla.redhat.com/show_bug.cgi?id=2222775 [ 2 ] Bug#2222779 - CVE-2023-38253 w3m: Out of bounds read in growbuf_to_Str() at w3m/indep.c https://bugzilla.redhat.com/show_bug.cgi?id=2222779 [ 3 ] Bug #2255207 - CVE-2023-4255 w3m: out-of-bounds write in function checkType() in etc.c (incomplete fix for CVE-2022-38223) https://bugzilla.redhat.com/show_bug.cgi?id=2255207 -------------------------------------------------------------------------------- This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2024-aeb75f8b5b' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at https://fedoraproject.org/security/ -------------------------------------------------------------------------------- -- _______________________________________________ package-announce mailing list --
w3m could be made to crash or run programs as your login if it opened a malicious website.. ========================================================================== Ubuntu Security Notice USN-6580-1 January 15, 2024 w3m vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.10 - Ubuntu 23.04 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS (Available with Ubuntu Pro) - Ubuntu 14.04 LTS (Available with Ubuntu Pro) Summary: w3m could be made to crash or run programs as your login if it opened a malicious website. Software Description: - w3m: WWW browsable pager with excellent tables/frames support Details: It was discovered that w3m incorrectly handled certain HTML files. An attacker could possibly use this issue to cause a crash or execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 23.10: w3m 0.5.3+git20230121-2ubuntu0.23.10.1 Ubuntu 23.04: w3m 0.5.3+git20230121-2ubuntu0.23.04.1 Ubuntu 22.04 LTS: w3m 0.5.3+git20210102-6ubuntu0.2 Ubuntu 20.04 LTS: w3m 0.5.3-37ubuntu0.2 Ubuntu 18.04 LTS (Available with Ubuntu Pro): w3m 0.5.3-36ubuntu0.1+esm1 Ubuntu 14.04 LTS (Available with Ubuntu Pro): w3m 0.5.3-15ubuntu0.2+esm2 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6580-1 CVE-2023-4255 Package Information: https://launchpad.net/ubuntu/+source/w3m/0.5.3+git20230121-2ubuntu0.23.10.1 . Ubuntu 23.10 USN-6580-1 addresses critical w3m security issue with arbitrary code execution potential.. w3m Security Issue, Ubuntu Update, Code Execution Threat. . Severity: Critical. LinuxSecurity.com Team
* bsc#1218226 Cross-References: * CVE-2023-4255 . # Security update for w3m Announcement ID: SUSE-SU-2024:0014-1 Rating: moderate References: * bsc#1218226 Cross-References: * CVE-2023-4255 CVSS scores: * CVE-2023-4255 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Affected Products: * SUSE Linux Enterprise High Performance Computing 12 SP5 * SUSE Linux Enterprise Server 12 SP5 * SUSE Linux Enterprise Server for SAP Applications 12 SP5 An update that solves one vulnerability can now be installed. ## Description: This update for w3m fixes the following issues: * CVE-2023-4255: Fixed out-of-bounds write in function checkType() in etc.c (bsc#1218226). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Enterprise High Performance Computing 12 SP5 zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-14=1 * SUSE Linux Enterprise Server 12 SP5 zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-14=1 * SUSE Linux Enterprise Server for SAP Applications 12 SP5 zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-14=1 ## Package List: * SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64 x86_64) * w3m-debuginfo-0.5.3.git20161120-161.9.1 * w3m-0.5.3.git20161120-161.9.1 * w3m-debugsource-0.5.3.git20161120-161.9.1 * SUSE Linux Enterprise Server 12 SP5 (aarch64 ppc64le s390x x86_64) * w3m-debuginfo-0.5.3.git20161120-161.9.1 * w3m-0.5.3.git20161120-161.9.1 * w3m-debugsource-0.5.3.git20161120-161.9.1 * SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le x86_64) * w3m-debuginfo-0.5.3.git20161120-161.9.1 * w3m-0.5.3.git20161120-161.9.1 * w3m-debugsource-0.5.3.git20161120-161.9.1 ## References: * https://www.suse.com/security/cve/CVE-2023-4255.html * https://bugzilla.suse.com/show_bug.cgi?id=1218226 . An updatefor w3m addresses a critical out-of-bounds write flaw impacting numerous SUSE offerings, classified with a medium-level threat.. SUSE Security Update, w3m Patch, Linux Vulnerability Management, SUSE Enterprise Server. . Severity: Important. LinuxSecurity.com Team
This update for w3m fixes the following issues: Update to version 0.5.3+git20230121 CVE-2023-38252: Fixed an out-of-bounds write in function Strnew_size that. # Security update for w3m Announcement ID: SUSE-SU-2023:4439-1 Rating: moderate References: * bsc#1213323 * bsc#1213324 Cross-References: * CVE-2023-38252 * CVE-2023-38253 CVSS scores: * CVE-2023-38252 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H * CVE-2023-38253 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H Affected Products: * Basesystem Module 15-SP4 * Basesystem Module 15-SP5 * openSUSE Leap 15.4 * openSUSE Leap 15.5 * SUSE Linux Enterprise Desktop 15 SP4 * SUSE Linux Enterprise Desktop 15 SP5 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise Real Time 15 SP4 * SUSE Linux Enterprise Real Time 15 SP5 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 * SUSE Manager Proxy 4.3 * SUSE Manager Retail Branch Server 4.3 * SUSE Manager Server 4.3 An update that solves two vulnerabilities can now be installed. ## Description: This update for w3m fixes the following issues: * Update to version 0.5.3+git20230121 * CVE-2023-38252: Fixed an out-of-bounds write in function Strnew_size that allows attackers to cause a denial of service via a crafted HTML file. (bsc#1213324) * CVE-2023-38253: Fixed an out-of-bounds write in function growbuf_to_Str that allows attackers to cause a denial of service via a crafted HTML file. (bsc#1213323) ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * openSUSE Leap 15.5 zypper in -t patchopenSUSE-SLE-15.5-2023-4439=1 * Basesystem Module 15-SP4 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP4-2023-4439=1 * Basesystem Module 15-SP5 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-4439=1 * openSUSE Leap 15.4 zypper in -t patch openSUSE-SLE-15.4-2023-4439=1 ## Package List: * openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64) * w3m-0.5.3+git20230121-150000.3.6.1 * w3m-debugsource-0.5.3+git20230121-150000.3.6.1 * w3m-inline-image-debuginfo-0.5.3+git20230121-150000.3.6.1 * w3m-inline-image-0.5.3+git20230121-150000.3.6.1 * w3m-debuginfo-0.5.3+git20230121-150000.3.6.1 * Basesystem Module 15-SP4 (aarch64 ppc64le s390x x86_64) * w3m-0.5.3+git20230121-150000.3.6.1 * w3m-debugsource-0.5.3+git20230121-150000.3.6.1 * w3m-debuginfo-0.5.3+git20230121-150000.3.6.1 * Basesystem Module 15-SP5 (aarch64 ppc64le s390x x86_64) * w3m-0.5.3+git20230121-150000.3.6.1 * w3m-debugsource-0.5.3+git20230121-150000.3.6.1 * w3m-debuginfo-0.5.3+git20230121-150000.3.6.1 * openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64) * w3m-0.5.3+git20230121-150000.3.6.1 * w3m-debugsource-0.5.3+git20230121-150000.3.6.1 * w3m-inline-image-debuginfo-0.5.3+git20230121-150000.3.6.1 * w3m-inline-image-0.5.3+git20230121-150000.3.6.1 * w3m-debuginfo-0.5.3+git20230121-150000.3.6.1 ## References: * https://www.suse.com/security/cve/CVE-2023-38252.html * https://www.suse.com/security/cve/CVE-2023-38253.html * https://bugzilla.suse.com/show_bug.cgi?id=1213323 * https://bugzilla.suse.com/show_bug.cgi?id=1213324 . A new release for w3m tackles several security vulnerabilities, improving overall reliability and fixing denial of service flaws.. w3m Security Advisory, openSUSE Patch, Denial of Service, Out-of-Bounds Fix. . LinuxSecurity.com Team
* bsc#1213323 * bsc#1213324 Cross-References: * CVE-2023-38252 . # Security update for w3m Announcement ID: SUSE-SU-2023:4439-1 Rating: moderate References: * bsc#1213323 * bsc#1213324 Cross-References: * CVE-2023-38252 * CVE-2023-38253 CVSS scores: * CVE-2023-38252 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H * CVE-2023-38253 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H Affected Products: * Basesystem Module 15-SP4 * Basesystem Module 15-SP5 * openSUSE Leap 15.4 * openSUSE Leap 15.5 * SUSE Linux Enterprise Desktop 15 SP4 * SUSE Linux Enterprise Desktop 15 SP5 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise Real Time 15 SP4 * SUSE Linux Enterprise Real Time 15 SP5 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 * SUSE Manager Proxy 4.3 * SUSE Manager Retail Branch Server 4.3 * SUSE Manager Server 4.3 An update that solves two vulnerabilities can now be installed. ## Description: This update for w3m fixes the following issues: * Update to version 0.5.3+git20230121 * CVE-2023-38252: Fixed an out-of-bounds write in function Strnew_size that allows attackers to cause a denial of service via a crafted HTML file. (bsc#1213324) * CVE-2023-38253: Fixed an out-of-bounds write in function growbuf_to_Str that allows attackers to cause a denial of service via a crafted HTML file. (bsc#1213323) ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * openSUSE Leap 15.5 zypper in -t patch openSUSE-SLE-15.5-2023-4439=1 * Basesystem Module 15-SP4 zypper in -t patchSUSE-SLE-Module-Basesystem-15-SP4-2023-4439=1 * Basesystem Module 15-SP5 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-4439=1 * openSUSE Leap 15.4 zypper in -t patch openSUSE-SLE-15.4-2023-4439=1 ## Package List: * openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64) * w3m-0.5.3+git20230121-150000.3.6.1 * w3m-debugsource-0.5.3+git20230121-150000.3.6.1 * w3m-inline-image-debuginfo-0.5.3+git20230121-150000.3.6.1 * w3m-inline-image-0.5.3+git20230121-150000.3.6.1 * w3m-debuginfo-0.5.3+git20230121-150000.3.6.1 * Basesystem Module 15-SP4 (aarch64 ppc64le s390x x86_64) * w3m-0.5.3+git20230121-150000.3.6.1 * w3m-debugsource-0.5.3+git20230121-150000.3.6.1 * w3m-debuginfo-0.5.3+git20230121-150000.3.6.1 * Basesystem Module 15-SP5 (aarch64 ppc64le s390x x86_64) * w3m-0.5.3+git20230121-150000.3.6.1 * w3m-debugsource-0.5.3+git20230121-150000.3.6.1 * w3m-debuginfo-0.5.3+git20230121-150000.3.6.1 * openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64) * w3m-0.5.3+git20230121-150000.3.6.1 * w3m-debugsource-0.5.3+git20230121-150000.3.6.1 * w3m-inline-image-debuginfo-0.5.3+git20230121-150000.3.6.1 * w3m-inline-image-0.5.3+git20230121-150000.3.6.1 * w3m-debuginfo-0.5.3+git20230121-150000.3.6.1 ## References: * https://www.suse.com/security/cve/CVE-2023-38252.html * https://www.suse.com/security/cve/CVE-2023-38253.html * https://bugzilla.suse.com/show_bug.cgi?id=1213323 * https://bugzilla.suse.com/show_bug.cgi?id=1213324 . The latest w3m update addresses two vulnerabilities that could lead to Denial of Service attacks through specially crafted HTML documents. For further details, check out the SUSE advisory.. SUSE Linux, w3m Update, DoS Threat, Security Patch, Linux Advisory. . LinuxSecurity.com Team
Get the latest Linux and open source security news straight to your inbox.