29007 : gzip LZH Support make_table() Function Overflow
Printer | http://osvdb.org/29007 | Email This | Edit Vulnerability

Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
8	676	over 6 years ago	5 months ago	1 times	100%

Timeline

Disclosure Date
2006-09-20

Description

gzip contains an overflow condition in the LZH support. The issue is due to the 'make_table()' function not validating user-supplied input. With a specially crafted archive file containing a malformed decoding table, a context-dependent attacker can cause a buffer overflow, resulting in a denial of service or potentially execution of arbitrary code.

Classification

Location: Context Dependent
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Third-Party Solution
Exploit: Exploit Unknown
Disclosure: Third-party Verified

Solution

Multiple vendors have released a patch to address this vulnerability. There are no known workarounds or upgrades to correct this issue. Check the vendor advisory, changelog, or solution in the references section for details.

Products

gzip.org

gzip

1.3.5

References

Tools & Filters

	22421 22442 22457 22723 23746 24553 27929

Credit

Tavis Ormandy - Google Security Team

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2006-09-22 | Disagree?

Comments

Add Comment Hide Add Comment

No Comments.

The database information may change without any notice. Use of the information constitutes acceptance for use in an AS IS condition, and there are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the copyright holder or distributor (OSVDB or OSF) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.