Alerts This Week
Warning Icon 1 525
Alerts This Week
Warning Icon 1 525

Stay Secure with the Latest Linux Advisories

Filter Icon Refine advisories
X Clear Filters
X Clear Filters
View More

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Community Poll

What got you started with Linux?

No answer selected. Please try again.
Please select either existing option or enter your own, however not both.
Please select minimum {0} answer(s).
Please select maximum {0} answer(s).
/main-polls/150-what-got-you-started-with-linux?task=poll.vote&format=json
150
radio
0
[{"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
bottom 200
Loading...

Explore Latest Linux Security advisories

We found -7 articles for you...
98

Red Hat: RHSA-2005:152-01 Low: Postfix Email Relay Flaw

Updated postfix packages that include a security fix and two other bug fixes are now available for Red Hat Enterprise Linux 4. This update has been rated as having low security impact by the Red Hat Security Response Team. - --------------------------------------------------------------------- Red Hat Security Advisory Synopsis: Low: postfix security update Advisory ID: RHSA-2005:152-01 Advisory URL: https://access.redhat.com/errata/RHSA-2005:152.html Issue date: 2005-03-16 Updated on: 2005-03-16 Product: Red Hat Enterprise Linux CVE Names: CAN-2005-0337 - ---------------------------------------------------------------------1. Summary: Updated postfix packages that include a security fix and two other bug fixes are now available for Red Hat Enterprise Linux 4. This update has been rated as having low security impact by the Red Hat Security Response Team 2. Relevant releases/architectures: 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: Postfix is a Mail Transport Agent (MTA), supporting LDAP, SMTP AUTH (SASL), and TLS. A flaw was found in the ipv6 patch used with Postfix. When the file /proc/net/if_inet6 is not available and permit_mx_backup is enabled in smtpd_recipient_restrictions, this flaw could allow remote attackers to bypass e-mail restrictions and perform mail relaying by sending mail to an IPv6 hostname. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2005-0337 to this issue. These updated packages also fix the following problems: - - wrong permissions on doc directory - - segfault when gethostbyname or gethostbyaddr fails All users of postfix should upgrade to these updated packages, which contain patcheswhich resolve these issues. 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. To update all RPMs for your particular architecture, run: rpm -Fvh [filenames] where [filenames] is a list of the RPMs you wish to upgrade. Only those RPMs which are currently installed will be updated. Those RPMs which are not installed but included in the list will not be updated. Note that you can also use wildcards (*.rpm) if your current directory *only* contains the desired RPMs. Please note that this update is also available via Red Hat Network. Many people find this an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. If up2date fails to connect to Red Hat Network due to SSL Certificate Errors, you need to install a version of the up2date client with an updated certificate. The latest version of up2date is available from the Red Hat FTP site and may also be downloaded directly from the RHN website: https://access.redhat.com 5. Bug IDs fixed (http://bugzilla.redhat.com/): 146732 - CAN-2005-0337 open relay bug in postfix ipv6 patch 147280 - Permissions on doc directory is wrong 139983 - newaliases segfaults when gethostbyname or gethostbyaddr fails 6. RPMs required: Red Hat Enterprise Linux AS version 4: SRPMS: 6cb38ee879fcbf2c2790890e49dd1a4b postfix-2.1.5-4.2.RHEL4.src.rpm i386: 986882612b24197ca6a962e2e863dba7 postfix-2.1.5-4.2.RHEL4.i386.rpm 1dc80db9e883731d25f3783fa47dccd8 postfix-pflogsumm-2.1.5-4.2.RHEL4.i386.rpm ia64: 01c0c0432414d34d774b6d118e8fd93c postfix-2.1.5-4.2.RHEL4.ia64.rpm 3a07219a527596c4719cb971aa54aa38 postfix-pflogsumm-2.1.5-4.2.RHEL4.ia64.rpm ppc: 6eb2d7a742a0684b0031ea30843fd8ac postfix-2.1.5-4.2.RHEL4.ppc.rpm f15d4f4e2823befcbdf5e913182c592a postfix-pflogsumm-2.1.5-4.2.RHEL4.ppc.rpm s390: 915feb7be6d01186fb61d1664d5714a7 postfix-2.1.5-4.2.RHEL4.s390.rpm 96202b25b1775f7fd1a96077354ebf72 postfix-pflogsumm-2.1.5-4.2.RHEL4.s390.rpm s390x: fbb35e5cb15347ffaa68cdad954683d0 postfix-2.1.5-4.2.RHEL4.s390x.rpm aeb220b7e428f560e6cad87f367fd8ff postfix-pflogsumm-2.1.5-4.2.RHEL4.s390x.rpm x86_64: 365c57d129da99b56ba8d54b73539c89 postfix-2.1.5-4.2.RHEL4.x86_64.rpm 3a39dc000dd43d57144da89450accfbe postfix-pflogsumm-2.1.5-4.2.RHEL4.x86_64.rpm Red Hat Enterprise Linux Desktop version 4: SRPMS: 6cb38ee879fcbf2c2790890e49dd1a4b postfix-2.1.5-4.2.RHEL4.src.rpm i386: 986882612b24197ca6a962e2e863dba7 postfix-2.1.5-4.2.RHEL4.i386.rpm 1dc80db9e883731d25f3783fa47dccd8 postfix-pflogsumm-2.1.5-4.2.RHEL4.i386.rpm x86_64: 365c57d129da99b56ba8d54b73539c89 postfix-2.1.5-4.2.RHEL4.x86_64.rpm 3a39dc000dd43d57144da89450accfbe postfix-pflogsumm-2.1.5-4.2.RHEL4.x86_64.rpm Red Hat Enterprise Linux ES version 4: SRPMS: 6cb38ee879fcbf2c2790890e49dd1a4b postfix-2.1.5-4.2.RHEL4.src.rpm i386: 986882612b24197ca6a962e2e863dba7 postfix-2.1.5-4.2.RHEL4.i386.rpm 1dc80db9e883731d25f3783fa47dccd8 postfix-pflogsumm-2.1.5-4.2.RHEL4.i386.rpm ia64: 01c0c0432414d34d774b6d118e8fd93c postfix-2.1.5-4.2.RHEL4.ia64.rpm 3a07219a527596c4719cb971aa54aa38 postfix-pflogsumm-2.1.5-4.2.RHEL4.ia64.rpm x86_64: 365c57d129da99b56ba8d54b73539c89 postfix-2.1.5-4.2.RHEL4.x86_64.rpm 3a39dc000dd43d57144da89450accfbe postfix-pflogsumm-2.1.5-4.2.RHEL4.x86_64.rpm Red Hat Enterprise Linux WS version 4: SRPMS: 6cb38ee879fcbf2c2790890e49dd1a4b postfix-2.1.5-4.2.RHEL4.src.rpm i386: 986882612b24197ca6a962e2e863dba7 postfix-2.1.5-4.2.RHEL4.i386.rpm 1dc80db9e883731d25f3783fa47dccd8 postfix-pflogsumm-2.1.5-4.2.RHEL4.i386.rpm ia64: 01c0c0432414d34d774b6d118e8fd93c postfix-2.1.5-4.2.RHEL4.ia64.rpm 3a07219a527596c4719cb971aa54aa38 postfix-pflogsumm-2.1.5-4.2.RHEL4.ia64.rpm x86_64: 365c57d129da99b56ba8d54b73539c89 postfix-2.1.5-4.2.RHEL4.x86_64.rpm 3a39dc000dd43d57144da89450accfbe postfix-pflogsumm-2.1.5-4.2.RHEL4.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-CAN-2005-0337 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact Copyright 2005 Red Hat, Inc. . Critical postfix upgrade for CentOS released to fix a minor security issue. Ensure your systems remain protected with the newest updates.. Postfix Update, Red Hat Security, Email Protection, Mail Transport Agent. . Severity: Low. LinuxSecurity.com Team

Calendar 2 Mar 16, 2005 Low Red Hat
87

Debian: DSA 486-1 Important: SSMTP Format String Exploit Threat

These vulnerabilities could potentially be exploited by a remote mail relay to gain the privileges of the ssmtp process (including potentially root).. Debian Security Advisory DSA 485-1 This email address is being protected from spambots. You need JavaScript enabled to view it. Debian -- Security Information Matt Zimmerman April 14th, 2004 Debian -- Debian security FAQ - -------------------------------------------------------------------------- Package : ssmtp Vulnerability : format string Problem-Type : remote Debian-specific: no CVE Ids : CAN-2004-0156 Max Vozeler discovered two format string vulnerabilities in ssmtp, a simple mail transport agent. Untrusted values in the functions die() and log_event() were passed to printf-like functions as format strings. These vulnerabilities could potentially be exploited by a remote mail relay to gain the privileges of the ssmtp process (including potentially root). For the current stable distribution (woody) this problem will be fixed in version 2.50.6.1. For the unstable distribution (sid), this problem will be fixed soon. We recommend that you update your ssmtp package. Upgrade Instructions - -------------------- wget url will fetch the file for you dpkg -i file.deb will install the referenced file. If you are using the apt-get package manager, use the line for sources.list as given below: apt-get update will update the internal database apt-get upgrade will install corrected packages You may use an automated update by adding the resources from the footer to the proper configuration. Debian GNU/Linux 3.0 alias woody - -------------------------------- Source archives: Size/MD5 checksum: 452 c36084c67873e0881794278c0be140c5 Size/MD5 checksum: 139907 eb45734311f00894e6b135c8fafb7c9a Alpha architecture: Size/MD5 checksum: 29388 9b7b4fb95fa15cb68dda2feb4750bd0d ARM architecture: Size/MD5 checksum: 27068cce2793db67d3e2c15bdbf562b7d9701 Intel IA-32 architecture: Size/MD5 checksum: 26288 ba0326f0d192bb059cb2b205a8a1420c Intel IA-64 architecture: Size/MD5 checksum: 33312 3d44b78e280f79ce80bd9af6f2ee36c1 HP Precision architecture: Size/MD5 checksum: 26742 74b56161785b972bf60b30a580b1b75f Motorola 680x0 architecture: Size/MD5 checksum: 25870 845aec84ff6a0bda0d41c9408aa6db35 Big endian MIPS architecture: Size/MD5 checksum: 27346 fd8ffe053e266e1209dd821209e03051 Little endian MIPS architecture: Size/MD5 checksum: 27340 7549f22f6bcf6c6adfd9caf1aac1f5da PowerPC architecture: Size/MD5 checksum: 26182 5113c9871cae26e5cd24ca01dd5db30b IBM S/390 architecture: Size/MD5 checksum: 26984 3a8dd685a65f9b4e84f1025168fdfa3a Sun Sparc architecture: Size/MD5 checksum: 29152 d4460c1db6fd727129a576329136866d These files will probably be moved into the stable distribution on its next revision. - --------------------------------------------------------------------------------- For apt-get: deb Debian -- Security Information stable/updates main For dpkg-ftp: dists/stable/updates/main Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. Package info: `apt-cache show ' and https://www.debian.org/distrib/packages . Debian advisory DSA 486-1 addresses critical ssmtp format string issue needing urgent updates to mitigate risks.. ssmtp Attack Risk, Debian Security Update, Format String Issue. . Severity: Important. LinuxSecurity.com Team

Calendar 2 Apr 15, 2004 Important Debian
News Add Esm H240

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Community Poll

What got you started with Linux?

No answer selected. Please try again.
Please select either existing option or enter your own, however not both.
Please select minimum {0} answer(s).
Please select maximum {0} answer(s).
/main-polls/150-what-got-you-started-with-linux?task=poll.vote&format=json
150
radio
0
[{"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
bottom 200
Your message here