24104 : Gentoo Linux Multiple nethack Games High Score Processing Local Overflow
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
3	357	over 5 years ago	over 3 years ago	0 times	90%

Timeline

Discovery Date	Disclosure Date	Exploit Publish Date
2006-03-12	2006-03-23	2006-03-23

Time to Exploit
11 days

Keywords

GLSA-200603-23

Description

A local overflow exists in Nethack, Falsconseye, and Slashem. Gentoo's group game policy allows users to manipulate the game's record and state files. Nethack, Falsconseye, and Slashem fail to properly check record data in '/var/games/nethack/record' resulting in a buffer overflow. With a specially crafted request, an attacker can cause arbitrary code execution with the rights of other players resulting in a loss of integrity.

Classification

Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Public
Disclosure: OSVDB Verified, Vendor Verified

Solution

Currently, there are no known upgrades, patches, or workarounds available to correct this issue.

Products

Gentoo Linux	Gentoo Linux	1.4 _rc3
		1.4 _rc2
		1.4 _rc1
		1.4
		1.2
		1.1 a
		0.7
		0.5

References

Bugtraq ID: 17217
Secunia Advisory ID: 19376
CVE ID: 2006-1390 (see also: NVD)
Related OSVDB ID: 24105
Keyword: GLSA-200603-23
Vendor Specific News/Changelog Entry: http://bugs.gentoo.org/show_bug.cgi?id=125902
http://bugs.gentoo.org/show_bug.cgi?id=127167
http://bugs.gentoo.org/show_bug.cgi?id=127319
Vendor Specific Advisory URL: http://www.gentoo.org/security/en/glsa/glsa-200603-23.xml

Manual Testing Notes

Credit

Tavis Ormandy - tavisogoogle.com - Google Information Security Team
Raymond Lewis Rebbeck -

CVSSv2 Score

CVSSv2 Base Score = 4.6
Source: nvd.nist.gov | Generated: 2006-03-27 | Disagree?

Blogs

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