29008 : gzip unlzh.c huft_build() Function Infinite Loop DoS
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Info

Last Modified

about 1 year ago

Percent Complete

100%

Disclosure

Sep 20, 2006

Discovery

Unknown

Dates

Exploit

Unknown

Solution

Unknown

Keywords

HPSBTU02168,SSRT061237

Description

Gzip contains a flaw that may allow a remote denial of service. The issue is triggered due to a NULL pointer dereference within the 'huft_build()' function and an infinite loop within the LZH handling, and will result in loss of availability for the service.

Classification

Location: Remote/Network Access Required
Attack Type: Denial of Service
Impact: Loss of Availability
Exploit: Exploit Unknown
Disclosure: OSVDB Verified

Solution

Currently, there are no known workarounds or upgrades to correct this issue. However, multiple vendors have independently released a patch to address this vulnerability.

Products

gzip.org
Watch-list
gzip
Watch-list
1.3.5

References

Tools & Filters

Nessus

22421 22442 22457 22723 23746 24553 27929

Credit

  • Tavis Ormandy - tavisoBrand New Doo Doogoogle.com - Google Information Security Team

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