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

Ubuntu Security Notice (C) 2013 Canonical, Inc. / NASL script (C) 2013 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).

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