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HistoryAug 27, 2014 - 5:51 a.m.

[SECURITY] [DSA 3012-1] eglibc security update

2014-08-2705:51:23
lists.debian.org
22
debian
eglibc
security update
heap-based buffer overflow
cve-2014-5119
gconv transliteration modules
arbitrary code execution

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

AI Score

9.8

Confidence

High

EPSS

0.012

Percentile

84.9%


Debian Security Advisory DSA-3012-1 [email protected]
http://www.debian.org/security/ Florian Weimer
August 27, 2014 http://www.debian.org/security/faq


Package : eglibc
CVE ID : CVE-2014-5119

Tavis Ormandy discovered a heap-based buffer overflow in the
transliteration module loading code in eglibc, Debian's version of the
GNU C Library. As a result, an attacker who can supply a crafted
destination character set argument to iconv-related character
conversation functions could achieve arbitrary code execution.

This update removes support of loadable gconv transliteration modules.
Besides the security vulnerability, the module loading code had
functionality defects which prevented it from working for the intended
purpose.

For the stable distribution (wheezy), this problem has been fixed in
version 2.13-38+deb7u4.

We recommend that you upgrade your eglibc packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

AI Score

9.8

Confidence

High

EPSS

0.012

Percentile

84.9%