CVE-2011-1089

Publication date 9 April 2011

Last updated 24 July 2024

Description

The addmntent function in the GNU C Library (aka glibc or libc6) 2.13 and earlier does not report an error status for failed attempts to write to the /etc/mtab file, which makes it easier for local users to trigger corruption of this file, as demonstrated by writes from a process with a small RLIMIT_FSIZE value, a different vulnerability than CVE-2010-0296.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
eglibc	11.10 oneiric	Not affected
	11.04 natty	Fixed 2.13-0ubuntu13.1
	10.10 maverick	Fixed 2.12.1-0ubuntu10.4
	10.04 LTS lucid	Fixed 2.11.1-0ubuntu7.10
	9.10 karmic	Ignored end of life
	8.04 LTS hardy	Not in release
	6.06 LTS dapper	Not in release
glibc	11.10 oneiric	Not in release
	11.04 natty	Not in release
	10.10 maverick	Not in release
	10.04 LTS lucid	Not in release
	9.10 karmic	Not in release
	8.04 LTS hardy	Fixed 2.7-10ubuntu8.1
	6.06 LTS dapper	Ignored end of life

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
eglibc	Upstream: http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=e1fb097f447a89aa69a926e45e673a52d86a6c57
glibc	Vendor: https://rhn.redhat.com/errata/RHSA-2011-1526.html

References

Related Ubuntu Security Notices (USN)

USN-1396-1
GNU C Library vulnerabilities
9 March 2012