23371 : GNU tar PAX Extended Headers Handling Overflow
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Info

Last Modified

9 months ago

Percent Complete

100%

Disclosure

Feb 22, 2006

Discovery

Unknown

Dates

Exploit

Unknown

Solution

Unknown

Keywords

No Keywords

Description

A remote overflow exists in GNU Tar. GNU Tar fails to properly handle PAX extended headers resulting in a buffer overflow. With a specially crafted .tar archive, an attacker can cause arbitrary command execution when the victim lists the tar contents or extracts the archive.

Classification

Location: Local Access Required, Remote/Network Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Unavailable
Disclosure: OSVDB Verified

Solution

Upgrade to version 1.15.90 (alpha) or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

GNU
Watch-list
Tar
Watch-list
1.15.1

References

Tools & Filters

Nessus

20964 21005 21065 21437 22853 24811

Credit

  • Jim Meyering - jimBrand New Doo Doomeyering.net -

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