GDB Process_Coff_Symbol UPX File Buffer Overflow Vulnerability

Bugtraq ID:	24291
Class:	Boundary Condition Error
CVE:
Remote:	Yes
Local:	No
Published:	Jun 04 2007 12:00AM
Updated:	Jun 04 2007 10:50PM
Credit:	KaiJern, Lau is credited with the discovery of this vulnerability.
Vulnerable:	GNU GDB 6.6
Not Vulnerable:

GDB Process_Coff_Symbol UPX File Buffer Overflow Vulnerability

GDB is prone to a buffer-overflow vulnerability because it fails to properly check bounds when handling specially crafted executable files.

Attackers could leverage this issue to run arbitrary code outside of a restricted environment, which may lead to privilege escalation. Symantec has not confirmed code execution.

GDB Process_Coff_Symbol UPX File Buffer Overflow Vulnerability

The following proof-of-concept exploit file demonstrates this issue by crashing GDB:

• /data/vulnerabilities/exploits/gdbupx

GDB Process_Coff_Symbol UPX File Buffer Overflow Vulnerability

Solution:
Currently we are not aware of any vendor-supplied patches for this issue. If you feel we are in error or if you are aware of more recent information, please mail us at: mailto:[email protected].

GDB Process_Coff_Symbol UPX File Buffer Overflow Vulnerability

References:

• GBD UPX File Handling Buffer Overflow Vulnerability (xwings)
  
• GDB Homepage (GNU)