OpenBSD libc glob 'GLOB_APPEND' and 'GLOB_DOOFFS' Flags Multiple Integer Overflow Vulnerabilities

Bugtraq ID:	48004
Class:	Failure to Handle Exceptional Conditions
CVE:	CVE-2011-2168
Remote:	Yes
Local:	Yes
Published:	May 26 2011 12:00AM
Updated:	May 26 2011 12:00AM
Credit:	OpenBSD
Vulnerable:	OpenBSD OpenBSD 4.7 OpenBSD OpenBSD 4.6 OpenBSD OpenBSD 4.5 OpenBSD OpenBSD 4.4 OpenBSD OpenBSD 4.3 OpenBSD OpenBSD 4.2 OpenBSD OpenBSD 4.1 OpenBSD OpenBSD 4.0 OpenBSD libc 0
Not Vulnerable:

OpenBSD libc glob 'GLOB_APPEND' and 'GLOB_DOOFFS' Flags Multiple Integer Overflow Vulnerabilities

libc in OpenBSD is prone to multiple integer-overflow vulnerabilities.

The attacker can exploit these issues to execute arbitrary code with the privileges of the application using the affected library. Failed exploit attempts will result in a denial-of-service condition.

OpenBSD libc glob 'GLOB_APPEND' and 'GLOB_DOOFFS' Flags Multiple Integer Overflow Vulnerabilities

Currently we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

OpenBSD libc glob 'GLOB_APPEND' and 'GLOB_DOOFFS' Flags Multiple Integer Overflow Vulnerabilities

Solution:
Updates are available. Please see the references for more information.

OpenBSD libc glob 'GLOB_APPEND' and 'GLOB_DOOFFS' Flags Multiple Integer Overflow Vulnerabilities

References:

• CVS log for src/lib/libc/gen/glob.c (OpenBSD)
  
• OpenBSD Homepage (OpenBSD)