7570 : NetBSD trek Keyboard Input Overflow
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
2	843	about 9 years ago	over 5 years ago	0 times	90%

Timeline

Disclosure Date
2002-10-24

Description

A local buffer overflow exists in NetBSD trek game. The trek command fails to validate input resulting in a buffer overflow. With a specially crafted request of more than 100 characters, an attacker can cause the execution of arbitrary code with group "games" privileges 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 1.6.1 or higher, as it has been reported to fix this vulnerability. It is also possible to correct the flaw by implementing the following workaround: Remove or restrict access to the game.

# rm /usr/games/trek
# rm /usr/games/hide/trek

-or-

# chmod 400 /usr/games/trek
# chmod 400 /usr/games/hide/trek

Products

NetBSD Foundation, Inc.	NetBSD	1.5
		1.5.1
		1.5.2
		1.5.3
		1.6

References

ISS X-Force ID: 10458
CVE ID: 2002-1543 (see also: NVD)
Bugtraq ID: 6036
Vendor Specific Advisory URL: ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2002-025.txt.asc

Credit

Niels Heinen -

CVSSv2 Score

CVSSv2 Base Score = 4.6
Source: nvd.nist.gov | Generated: 2003-12-31 | Disagree?

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