Multiple Vendor LC_MESSAGES libc Buffer Overflow Vulnerability

Bugtraq ID:	268
Class:	Boundary Condition Error
CVE:
Remote:	No
Local:	Yes
Published:	May 22 1999 12:00AM
Updated:	May 22 1999 12:00AM
Credit:	This vulnerability was published to the BUGTRAQ mailing list by UNYUN@ShadowPenguinSecurity <[email protected]>.
Vulnerable:	Sun Solaris 7.0_x86 Sun Solaris 7.0 Sun Solaris 2.6_x86 Sun Solaris 2.6 IBM AIX 4.2.1 IBM AIX 4.2 IBM AIX 4.1.4 IBM AIX 4.1.3 IBM AIX 4.1.2 IBM AIX 4.1.1 IBM AIX 4.1 IBM AIX 3.2.5 IBM AIX 3.2.4 IBM AIX 3.2
Not Vulnerable:	Sun Solaris 2.5_x86 Sun Solaris 2.5 Sun Solaris 2.4_x86 Sun Solaris 2.4 IBM AIX 4.3.2 IBM AIX 4.3

Multiple Vendor LC_MESSAGES libc Buffer Overflow Vulnerability

A buffer overflow in libc's handling of the LC_MESSAGES environment variable allows a malicious user to exploit any suid root program linked agains libc to obtain root privileges. This problem is found in both IBM's AIX and Sun Microsystem's Solaris. This vulnerability allows local users to gain root privileges.

This is Sun BugID 4240566.

Multiple Vendor LC_MESSAGES libc Buffer Overflow Vulnerability

References:

• AIX Fix Distribution Service (IBM)
  
• IBM Support Databases (IBM)
  
• Sun Patch Access Page (Sun Microsystems)
  
• Sun Patches List (Sun Microsystems)
  
• Sunsolve Online(tm) (Sun Microsystems)