19639 : 7-Zip ARJ Archive Processing Overflow
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Info

Last Modified
9 months ago

Percent Complete
95%

Disclosure
Sep 23, 2005

Discovery
Sep 05, 2005

Dates

Exploit
Unknown

Solution
Unknown

Description

 A local overflow exists in 7-Zip. 7-Zip contains a boundary error when handling an ARJ block that is larger than 2600 bytes resulting in a stack-based overflow. With a specially crafted request, an attacker can run arbitrary code resulting in a loss of integrity.

Classification

 Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Unknown

Solution

 Upgrade to version 4.27 BETA or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products
Igor Pavlov
Watch-list
7-Zip
Watch-list
 3.13
4.23
4.26 BETA

References

Tools & Filters

Nessus

 23750

Credit
  • Tan Chew Keong - vulnBrand New Doo Doosecunia.com - Secunia Research

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