Mandriva Update for glibc MDVSA-2011:178 (glibc)

Published: 2011-11-28 07:20:20
CVE Author: NIST National Vulnerability Database

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

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

Affected Versions:
glibc on Mandriva Linux 2010.1, Mandriva Linux 2010.1/X86_64, Mandriva Enterprise Server 5, Mandriva Enterprise Server 5/X86_64

Technical Details:
Multiple vulnerabilities was discovered and fixed in glibc: Multiple untrusted search path vulnerabilities in elf/dl-object.c in certain modified versions of the GNU C Library (aka glibc or libc6), including glibc-2.5-49.el5_5.6 and glibc-2.12-1.7.el6_0.3 in Red Hat Enterprise Linux, allow local users to gain privileges via a crafted dynamic shared object (DSO) in a subdirectory of the current working directory during execution of a (1) setuid or (2) setgid program that has in (a) RPATH or (b) RUNPATH. NOTE: this issue exists because of an incorrect fix for CVE-2010-3847 (CVE-2011-0536). The GNU C Library (aka glibc or libc6) before 2.12.2 and Embedded GLIBC (EGLIBC) allow context-dependent attackers to execute arbitrary code or cause a denial of service (memory consumption) via a long UTF8 string that is used in an fnmatch call, aka a stack extension attack, a related issue to CVE-2010-2898, as originally reported for use of this library by Google Chrome (CVE-2011-1071). The addmntent function in the GNU C Library (aka glibc or libc6) 2.13 and earlier does not report an error status for failed attempts to write to the /etc/mtab file, which makes it easier for local users to trigger corruption of this file, as demonstrated by writes from a process with a small RLIMIT_FSIZE value, a different vulnerability than CVE-2010-0296 (CVE-2011-1089). locale/programs/locale.c in locale in the GNU C Library (aka glibc or libc6) before 2.13 does not quote its output, which might allow local users to gain privileges via a crafted localization environment variable, in conjunction with a program that executes a script that uses the eval function (CVE-2011-1095). Integer overflow in posix/fnmatch.c in the GNU C Library (aka glibc or libc6) 2.13 and earlier allows context-dependent attackers to cause a denial of service (application crash) via a long UTF8 string that is used in an fnmatch call with a crafted pattern argument, a different vulnerability than CVE-2011-1071 (CVE-2011-1659). crypt_blowfish before 1.1, as used in glibc on certain platforms, does not properly handle 8-bit characters, which makes it easier for context-dependent attackers to determine a cleartext password by leveraging knowledge of a password hash (CVE-2011-2483). The updated Linux Distribution Packages have been patched to correct these issues.

Recommendations:
Please Install the Updated Packages.

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-2010-3847
https://nvd.nist.gov/vuln/detail/CVE-2011-0536
https://nvd.nist.gov/vuln/detail/CVE-2010-2898
https://nvd.nist.gov/vuln/detail/CVE-2011-1071
https://nvd.nist.gov/vuln/detail/CVE-2010-0296
https://nvd.nist.gov/vuln/detail/CVE-2011-1089
https://nvd.nist.gov/vuln/detail/CVE-2011-1095
https://nvd.nist.gov/vuln/detail/CVE-2011-1659
https://nvd.nist.gov/vuln/detail/CVE-2011-2483

References:

http://lists.mandriva.com/security-announce/2011-11/msg00037.php

Severity
High
CVSS Score
10.0
Published
2011-11-28
Modified
2018-11-16
Category
Mandrake Local Security Checks

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