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91
Ls Advisories Gentoo Esm H240
Price Tag 1security advisorygentooprivilege escalation

Gentoo GLSA-202310-12 Normal: XScreenSaver Security Flaw

XScreenSaver allows local users to bypass authentication under certain configurations.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200705-14 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: XScreenSaver: Privilege escalation Date: May 13, 2007 Bugs: #176584 ID: 200705-14 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======= XScreenSaver allows local users to bypass authentication under certain configurations. Background ========= XScreenSaver is a widely used screen saver collection shipped on systems running the X11 Window System. Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 x11-misc/xscreensaver < 5.02 > = 5.02 Description ========== XScreenSaver incorrectly handles the results of the getpwuid() function in drivers/lock.c when using directory servers during a network outage. Impact ===== A local user can crash XScreenSaver by preventing network connectivity if the system uses a remote directory service for credentials such as NIS or LDAP, which will unlock the screen. Workaround ========= There is no known workaround at this time. Resolution ========= All XScreenSaver users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose "> =x11-misc/xscreensaver-5.02" References ========= [ 1 ] CVE-2007-1859 https://www.cve.org/CVERecord?id=CVE-2007-1859 Availability =========== This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/200705-14 Concerns? ======== Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to This email address is being protected from spambots. You need JavaScript enabled to view it. or alternatively, you may file a bug at https://bugs.gentoo.org/. License ====== Copyright 2007 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. https://creativecommons.org/licenses/by-sa/2.5/ . A vulnerability in the XScreenSaver system permits local users to circumvent authentication measures, resulting in potential privilege escalation; an upgrade is advised.. XScreenSaver,Gentoo Linux Security,Privilege Escalation. . LinuxSecurity.com Team

Calendar 2 May 13, 2007 Gentoo
200
Ls Advisories Scientific Esm H240
Price Tag 1security advisorycriticallocal attack

Scientific Linux: xscreensaver Critical Update CVE-2007-1859 Network Outage

Important: xscreensaver security update. Date: Wed, 9 May 2007 15:18:42 -0500 Reply-To: Connie Sieh Sender: Security Errata for Scientific Linux From: Connie Sieh Subject: Security ERRATA for SL4 xscreensaver i386/x86_64 Comments: To: scientific Synopsis: Important: xscreensaver security update Issue date: 2007-05-02 CVE Names: CVE-2007-1859 Alex Yamauchi discovered a flaw in the way XScreenSaver verifies user passwords. When a system is using a remote directory service for login credentials, a local attacker may be able to cause a network outage causing XScreenSaver to crash, unlocking the screen. (CVE-2007-1859) SRPMS: xscreensaver-4.18-5.rhel4.14.src.rpm i386: xscreensaver-4.18-5.rhel4.14.i386.rpm x86_64: xscreensaver-4.18-5.rhel4.14.x86_64.rpm -Connie Sieh -Troy Dawson . CRITICAL xscreensaver update for Scientific Linux addresses flaws in remote access security. Update your system immediately!. xscreensaver security update, scientific linux errata, local attack, network outage issue. . Severity: Critical. LinuxSecurity.com Team

Calendar 2 May 09, 2007 •Critical Scientific Linux
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98
Ls Advisories Redhat Esm H240
Price Tag 1security advisorymoderatered hat

Red Hat: RHSA-2007:0322-01 Moderate: Xscreensaver Authentication Flaw

An updated xscreensaver package that fixes a security flaw is now available for Red Hat Enterprise Linux 2.1, 3, and 4. This update has been rated as having moderate security impact by the Red Hat Security Response Team.. - --------------------------------------------------------------------- Red Hat Security Advisory Synopsis: Important: xscreensaver security update Advisory ID: RHSA-2007:0322-01 Advisory URL: https://access.redhat.com/errata/RHSA-2007:0322.html Issue date: 2007-05-02 Updated on: 2007-05-02 Product: Red Hat Enterprise Linux CVE Names: CVE-2007-1859 - ---------------------------------------------------------------------1. Summary: An updated xscreensaver package that fixes a security flaw is now available for Red Hat Enterprise Linux 2.1, 3, and 4. This update has been rated as having moderate security impact by the Red Hat Security Response Team. 2. Relevant releases/architectures: Red Hat Enterprise Linux AS (Advanced Server) version 2.1 - i386, ia64 Red Hat Linux Advanced Workstation 2.1 - ia64 Red Hat Enterprise Linux ES version 2.1 - i386 Red Hat Enterprise Linux WS version 2.1 - i386 Red Hat Enterprise Linux AS version 3 - i386, ia64, ppc, s390, s390x, x86_64 Red Hat Desktop version 3 - i386, x86_64 Red Hat Enterprise Linux ES version 3 - i386, ia64, x86_64 Red Hat Enterprise Linux WS version 3 - i386, ia64, x86_64 Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64 Red Hat Enterprise Linux Desktop version 4 - i386, x86_64 Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64 Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64 3. Problem description: XScreenSaver is a collection of screensavers. Alex Yamauchi discovered a flaw in the way XScreenSaver verifies user passwords. When a system is using a remote directory service for login credentials, a local attacker may be able to cause a network outage causing XScreenSaver to crash,unlocking the screen. (CVE-2007-1859) Users of XScreenSaver should upgrade to this updated package, which contains a backported patch to correct this issue. 4. Solution: Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at 5. Bug IDs fixed (http://bugzilla.redhat.com/): 237003 - CVE-2007-1859 xscreensaver authentication bypass 6. RPMs required: Red Hat Enterprise Linux AS (Advanced Server) version 2.1: SRPMS: 8a6adffc86a33ea016d56fec422749c4 xscreensaver-3.33-4.rhel21.5.src.rpm i386: 1305dcb9528278bb67d6815bede83175 xscreensaver-3.33-4.rhel21.5.i386.rpm ia64: c2c49fdc9a8177b611594174e8aee896 xscreensaver-3.33-4.rhel21.5.ia64.rpm Red Hat Linux Advanced Workstation 2.1: SRPMS: 8a6adffc86a33ea016d56fec422749c4 xscreensaver-3.33-4.rhel21.5.src.rpm ia64: c2c49fdc9a8177b611594174e8aee896 xscreensaver-3.33-4.rhel21.5.ia64.rpm Red Hat Enterprise Linux ES version 2.1: SRPMS: 8a6adffc86a33ea016d56fec422749c4 xscreensaver-3.33-4.rhel21.5.src.rpm i386: 1305dcb9528278bb67d6815bede83175 xscreensaver-3.33-4.rhel21.5.i386.rpm Red Hat Enterprise Linux WS version 2.1: SRPMS: 8a6adffc86a33ea016d56fec422749c4 xscreensaver-3.33-4.rhel21.5.src.rpm i386: 1305dcb9528278bb67d6815bede83175 xscreensaver-3.33-4.rhel21.5.i386.rpm Red Hat Enterprise Linux AS version 3: SRPMS: a220a11b582081c9cafd1f0e235296a8 xscreensaver-4.10-21.el3.src.rpm i386: 56b75d892fefa3c2be32f174d89f5afe xscreensaver-4.10-21.el3.i386.rpm 20b1db46a6078a94d15c30a8a5efe410 xscreensaver-debuginfo-4.10-21.el3.i386.rpm ia64: 09673d8d04b1d463b5ec84b4c3168711 xscreensaver-4.10-21.el3.ia64.rpm c346ed5b5dd17266491cf3f29e7ed57d xscreensaver-debuginfo-4.10-21.el3.ia64.rpm ppc: 2b0de920c2f5a3ab1de6a94f6fe77d81 xscreensaver-4.10-21.el3.ppc.rpm a703bbab998ec0f8f92913bb5809fa02 xscreensaver-debuginfo-4.10-21.el3.ppc.rpm s390: 8ebf220e235b40e03978b68e47849f20 xscreensaver-4.10-21.el3.s390.rpm 7de1a22ed98f6c1d36e636988cd42d0c xscreensaver-debuginfo-4.10-21.el3.s390.rpm s390x: 1c1fabdd8d673682f837531696e6b5d9 xscreensaver-4.10-21.el3.s390x.rpm 6b66fb542fb310e57277278a2d46d49a xscreensaver-debuginfo-4.10-21.el3.s390x.rpm x86_64: 2e8945b59e3fa57d91b17d8901a2d2b3 xscreensaver-4.10-21.el3.x86_64.rpm 44400cfa9b520a0d00a76d21b00bb2fb xscreensaver-debuginfo-4.10-21.el3.x86_64.rpm Red Hat Desktop version 3: SRPMS: a220a11b582081c9cafd1f0e235296a8 xscreensaver-4.10-21.el3.src.rpm i386: 56b75d892fefa3c2be32f174d89f5afe xscreensaver-4.10-21.el3.i386.rpm 20b1db46a6078a94d15c30a8a5efe410 xscreensaver-debuginfo-4.10-21.el3.i386.rpm x86_64: 2e8945b59e3fa57d91b17d8901a2d2b3 xscreensaver-4.10-21.el3.x86_64.rpm 44400cfa9b520a0d00a76d21b00bb2fb xscreensaver-debuginfo-4.10-21.el3.x86_64.rpm Red Hat Enterprise Linux ES version 3: SRPMS: a220a11b582081c9cafd1f0e235296a8 xscreensaver-4.10-21.el3.src.rpm i386: 56b75d892fefa3c2be32f174d89f5afe xscreensaver-4.10-21.el3.i386.rpm 20b1db46a6078a94d15c30a8a5efe410 xscreensaver-debuginfo-4.10-21.el3.i386.rpm ia64: 09673d8d04b1d463b5ec84b4c3168711 xscreensaver-4.10-21.el3.ia64.rpm c346ed5b5dd17266491cf3f29e7ed57d xscreensaver-debuginfo-4.10-21.el3.ia64.rpm x86_64: 2e8945b59e3fa57d91b17d8901a2d2b3 xscreensaver-4.10-21.el3.x86_64.rpm 44400cfa9b520a0d00a76d21b00bb2fb xscreensaver-debuginfo-4.10-21.el3.x86_64.rpm Red Hat Enterprise Linux WS version 3: SRPMS: a220a11b582081c9cafd1f0e235296a8 xscreensaver-4.10-21.el3.src.rpm i386: 56b75d892fefa3c2be32f174d89f5afe xscreensaver-4.10-21.el3.i386.rpm 20b1db46a6078a94d15c30a8a5efe410 xscreensaver-debuginfo-4.10-21.el3.i386.rpm ia64: 09673d8d04b1d463b5ec84b4c3168711 xscreensaver-4.10-21.el3.ia64.rpm c346ed5b5dd17266491cf3f29e7ed57d xscreensaver-debuginfo-4.10-21.el3.ia64.rpm x86_64: 2e8945b59e3fa57d91b17d8901a2d2b3 xscreensaver-4.10-21.el3.x86_64.rpm 44400cfa9b520a0d00a76d21b00bb2fb xscreensaver-debuginfo-4.10-21.el3.x86_64.rpm Red Hat Enterprise Linux AS version 4: SRPMS: 428684b85a28e52cc022bacc09b4b338 xscreensaver-4.18-5.rhel4.14.src.rpm i386: bced2ed92fa640bf57122b25d53b0d68 xscreensaver-4.18-5.rhel4.14.i386.rpm 9d562052fe864f4c10fae69737b22dcc xscreensaver-debuginfo-4.18-5.rhel4.14.i386.rpm ia64: dc05e1da2ec2036d9484cc6942e1a4c0 xscreensaver-4.18-5.rhel4.14.ia64.rpm 66f3365f0a732f907adf81b0449bf194 xscreensaver-debuginfo-4.18-5.rhel4.14.ia64.rpm ppc: a8a612bd4246cb5154ea5ebc3ca7c97c xscreensaver-4.18-5.rhel4.14.ppc.rpm 3319fef0e24b8b7d461a55ddcc492f51 xscreensaver-debuginfo-4.18-5.rhel4.14.ppc.rpm s390: 504bb00f11b25c989c686cfd3e7c7bea xscreensaver-4.18-5.rhel4.14.s390.rpm 3cbe9228c554a3a822f1f3adbfb652b1 xscreensaver-debuginfo-4.18-5.rhel4.14.s390.rpm s390x: e81fab0d8e34bcd3665deb525b7177d4 xscreensaver-4.18-5.rhel4.14.s390x.rpm a7ed869a39c91a1a0f55f9b10f9d740f xscreensaver-debuginfo-4.18-5.rhel4.14.s390x.rpm x86_64: 84443b21b382b568d96386c94b185df8 xscreensaver-4.18-5.rhel4.14.x86_64.rpm 7bd71f9028c883bc014bc55530be77a3 xscreensaver-debuginfo-4.18-5.rhel4.14.x86_64.rpm Red Hat Enterprise Linux Desktop version 4: SRPMS: 428684b85a28e52cc022bacc09b4b338 xscreensaver-4.18-5.rhel4.14.src.rpm i386: bced2ed92fa640bf57122b25d53b0d68 xscreensaver-4.18-5.rhel4.14.i386.rpm 9d562052fe864f4c10fae69737b22dcc xscreensaver-debuginfo-4.18-5.rhel4.14.i386.rpm x86_64: 84443b21b382b568d96386c94b185df8 xscreensaver-4.18-5.rhel4.14.x86_64.rpm 7bd71f9028c883bc014bc55530be77a3 xscreensaver-debuginfo-4.18-5.rhel4.14.x86_64.rpm Red Hat Enterprise Linux ES version 4: SRPMS: 428684b85a28e52cc022bacc09b4b338 xscreensaver-4.18-5.rhel4.14.src.rpm i386: bced2ed92fa640bf57122b25d53b0d68 xscreensaver-4.18-5.rhel4.14.i386.rpm 9d562052fe864f4c10fae69737b22dcc xscreensaver-debuginfo-4.18-5.rhel4.14.i386.rpm ia64: dc05e1da2ec2036d9484cc6942e1a4c0 xscreensaver-4.18-5.rhel4.14.ia64.rpm 66f3365f0a732f907adf81b0449bf194 xscreensaver-debuginfo-4.18-5.rhel4.14.ia64.rpm x86_64: 84443b21b382b568d96386c94b185df8 xscreensaver-4.18-5.rhel4.14.x86_64.rpm 7bd71f9028c883bc014bc55530be77a3 xscreensaver-debuginfo-4.18-5.rhel4.14.x86_64.rpm Red Hat Enterprise Linux WS version 4: SRPMS: 428684b85a28e52cc022bacc09b4b338 xscreensaver-4.18-5.rhel4.14.src.rpm i386: bced2ed92fa640bf57122b25d53b0d68 xscreensaver-4.18-5.rhel4.14.i386.rpm 9d562052fe864f4c10fae69737b22dcc xscreensaver-debuginfo-4.18-5.rhel4.14.i386.rpm ia64: dc05e1da2ec2036d9484cc6942e1a4c0 xscreensaver-4.18-5.rhel4.14.ia64.rpm 66f3365f0a732f907adf81b0449bf194 xscreensaver-debuginfo-4.18-5.rhel4.14.ia64.rpm x86_64: 84443b21b382b568d96386c94b185df8 xscreensaver-4.18-5.rhel4.14.x86_64.rpm 7bd71f9028c883bc014bc55530be77a3 xscreensaver-debuginfo-4.18-5.rhel4.14.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key#package 7. References: https://www.cve.org/CVERecord?id=CVE-2007-1859 https://access.redhat.com/security/updates/classification#moderate 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact Copyright 2007 Red Hat, Inc. . Critical vulnerability patch released for gnome-screensaver on CentOS. Recommended to install update immediately to enhance system integrity.. xscreensaver Update, Red Hat Security, Security Fix. . LinuxSecurity.com Team

Calendar 2 May 02, 2007 Red Hat
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[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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