Permissions, Privileges, and Access Controls in Glibc - CVE-2011-1095
Published: April 10, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU45137
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-1095
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
Glibc
Glibc
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
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.
How to mitigate CVE-2011-1095
Install update from vendor's website.
Sources
- http://bugs.gentoo.org/show_bug.cgi?id=330923
- http://openwall.com/lists/oss-security/2011/03/08/21
- http://openwall.com/lists/oss-security/2011/03/08/22
- http://openwall.com/lists/oss-security/2011/03/08/8
- http://secunia.com/advisories/43830
- http://secunia.com/advisories/43976
- http://secunia.com/advisories/43989
- http://secunia.com/advisories/46397
- http://security.gentoo.org/glsa/glsa-201011-01.xml
- http://securitytracker.com/id?1025286
- http://sources.redhat.com/bugzilla/show_bug.cgi?id=11904
- http://sourceware.org/bugzilla/show_bug.cgi?id=11904
- http://sourceware.org/git/?p=glibc.git;a=patch;h=026373745eab50a683536d950cb7e17dc98c4259
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:178
- http://www.redhat.com/support/errata/RHSA-2011-0412.html
- http://www.redhat.com/support/errata/RHSA-2011-0413.html
- http://www.securityfocus.com/archive/1/520102/100/0/threaded
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- http://www.vupen.com/english/advisories/2011/0863
- https://bugzilla.redhat.com/show_bug.cgi?id=625893
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12272