PT-2012-1529 · Linux+2 · Linux Kernel+2

Eugene Teo · Published 2011-05-10 · Updated 2023-02-13 · CVE-2011-1573

Positive Technologies (AI Summary)

CVSS v2.0

4.3

Medium

Base vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 2.6.34

Description The issue is related to the calculation of chunk lengths for INIT and INIT ACK chunks in the Linux kernel. When addip enable and auth enable are used, the amount of zero padding is not considered, allowing remote attackers to cause a denial of service via crafted packet data.

Recommendations For Linux kernel versions prior to 2.6.34, update to version 2.6.34 or later to resolve the issue.

Exploit

Fix

DoS

Weakness Enumeration

CWE-682

Related Identifiers

CVE-2011-1573

RHSA-2011:0498

RHSA-2011:0927

RHSA-2011_0498

RHSA-2011_0927

Affected Products

Linux Kernel

Red Hat

Suse

References · 49

• 🔥 https://bugzilla.redhat.com/show_bug.cgi?id=695383 · Exploit
• 🔥 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a8170c35e738d62e9919ce5b109cf4ed66e95bde · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2011-1573 · Security Note
• https://linux.oracle.com/errata/ELSA-2011-2015.html · Vendor Advisory
• http://openwall.com/lists/oss-security/2011/04/11/12 · Patch
• https://bdu.fstec.ru/vul/2014-00069 · Security Note
• https://bdu.fstec.ru/vul/2015-04359 · Security Note
• http://openwall.com/lists/oss-security/2011/04/11/4 · Patch
• https://bdu.fstec.ru/vul/2015-04343 · Security Note
• https://bdu.fstec.ru/vul/2015-04342 · Security Note
• http://rhn.redhat.com/errata/RHSA-2011-0927.html · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2011-0498.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2015-04341 · Security Note
• https://bdu.fstec.ru/vul/2015-04607 · Security Note
• https://github.com/torvalds/linux/commit/8909c9ad8ff03611c9c96c9a92656213e4bb495b · Note