CentOS Update for glibc CESA-2012:1097 centos5

Published: 2012-07-30 11:03:43
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 5

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. It was discovered that the formatted printing functionality in glibc did not properly restrict the use of alloca(). This 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-2012-3406) This update also fixes the following bug: * If a file or a string was in the IBM-930 encoding, and contained the invalid multibyte character '0xffff', attempting to use iconv() (or the iconv command) to convert that file or string to another encoding, such as UTF-8, resulted in a segmentation fault. With this update, the conversion code for the IBM-930 encoding recognizes this invalid character and calls an error handler, rather than causing a segmentation fault. (BZ#837896) 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-2012-3406

References:

http://lists.centos.org/pipermail/centos-announce/2012-July/018752.html

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

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