Ubuntu 10.04 LTS / 12.04 LTS / 12.10 / 13.04 : eglibc vulnerabilities (USN-1991-1)

Ubuntu Security Notice (C) 2013-2016 Canonical, Inc. / NASL script (C) 2013-2016 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing a security-related patch.

Description :

It was discovered that the GNU C Library incorrectly handled the
strcoll() function. An attacker could use this issue to cause a denial
of service, or possibly execute arbitrary code. (CVE-2012-4412,
CVE-2012-4424)

It was discovered that the GNU C Library incorrectly handled multibyte
characters in the regular expression matcher. An attacker could use
this issue to cause a denial of service. (CVE-2013-0242)

It was discovered that the GNU C Library incorrectly handled large
numbers of domain conversion results in the getaddrinfo() function. An
attacker could use this issue to cause a denial of service.
(CVE-2013-1914)

It was discovered that the GNU C Library readdir_r() function
incorrectly handled crafted NTFS or CIFS images. An attacker could use
this issue to cause a denial of service, or possibly execute arbitrary
code. (CVE-2013-4237)

It was discovered that the GNU C Library incorrectly handled memory
allocation. An attacker could use this issue to cause a denial of
service. (CVE-2013-4332).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution :

Update the affected libc6 package.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 6.5
(CVSS2#E:ND/RL:OF/RC:ND)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 70538 ()

Bugtraq ID: 55462
55543
57638
58839
61729
62324

CVE ID: CVE-2012-4412
CVE-2012-4424
CVE-2013-0242
CVE-2013-1914
CVE-2013-4237
CVE-2013-4332

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