CentOS Update for glibc CESA-2012:1098 centos6

Published: 2012-07-30 10:30:11
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P

Summary:
The remote host is missing an update for the 'glibc' Linux Distribution Package(s) announced via the referenced advisory.

Affected Versions:
glibc on CentOS 6

Recommendations:
Please install the updated Linux Distribution Packages.

Technical Details:
The glibc Linux Distribution Packages provide the standard C and standard math libraries used by multiple programs on the system. Without these libraries, the Linux system cannot function properly. Multiple errors in glibc's formatted printing functionality could allow an attacker to bypass FORTIFY_SOURCE protections and execute arbitrary code using a format string flaw in an application, even though these protections are expected to limit the impact of such flaws to an application abort. (CVE-2012-3404, CVE-2012-3405, CVE-2012-3406) This update also fixes the following bug: * A programming error caused an internal array of nameservers to be only partially initialized when the /etc/resolv.conf file contained IPv6 nameservers. Depending on the contents of a nearby structure, this could cause certain applications to terminate unexpectedly with a segmentation fault. The programming error has been fixed, which restores proper behavior with IPv6 nameservers listed in the /etc/resolv.conf file. (BZ#837026) All users of glibc are advised to upgrade to these updated Linux Distribution Packages, which contain backported patches to fix these issues.

Detection Type:
Linux Distribution Package

Solution Type:
Vendor Patch

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2012-3404
https://nvd.nist.gov/vuln/detail/CVE-2012-3405
https://nvd.nist.gov/vuln/detail/CVE-2012-3406

References:

http://lists.centos.org/pipermail/centos-announce/2012-July/018753.html

Severity
Medium
CVSS Score
6.8
Published
2012-07-30
Modified
2019-03-15
Category
CentOS Local Security Checks

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