NetHack -s command buffer overflow
| nethack-s-command-bo (11283) |  High Risk |
Description:
NetHack is vulnerable to a buffer overflow. The NetHack package is installed setuid games. By passing an overly long argument to NetHack using the -s command line option, a local attacker could overflow a buffer and execute arbitrary code on the system with "setuid games" privileges.
Platforms Affected:
- Debian, Debian Linux 2.2
- Debian, Debian Linux 3.0
- FreeBSD, FreeBSD Ports Collection
- Gentoo, Linux
- Nethack Development Team, NetHack 3.4.0 and prior
- RedHat, Linux 8.0
Remedy:
For FreeBSD Ports Collection:
Apply the topten.c.patch, available from the FreeBSD.org Web site. See References.
For Gentoo Linux:
Upgrade to the latest version of neckhack (3.4.0-r6 or later), as listed in Gentoo Linux Security Announcement 200302-08. See References.
For Debian GNU/Linux:
Upgrade to the latest nethack package, as listed below. Refer to DSA-316-1 for more information. See References.
Debian GNU/Linux 2.2 (potato): 3.3.0-7potato1 or later
Debian DNU/Linux 3.0 (woody): 3.4.0-3.0woody3 or later
For other distributions:
Contact your vendor for upgrade or patch information.
Consequences:
Gain Privileges
References:
- BugTraq Mailing List, Sun Feb 09 2003 - 01:18:49 CST , #!ICadv-02.09.03: nethack 3.4.0 local buffer overflow at http://archives.neohapsis.com/archives/bugtraq/2003-02/0117.html.
- FreeBSD.org Web site, Index of /~roam/devel/nethack at http://people.freebsd.org/~roam/devel/nethack/.
- Gentoo Linux Security Announcement 200302-08, nethack -- buffer overflow at http://www.linuxsecurity.com/content/view/104607/104/.
- NetHack Home Page, NetHack:3.4.0 Home Page at http://www.nethack.org/.
- BID-6806: Nethack Local Buffer Overflow Vulnerability
- BID-681: Mirror File Creation Vulnerability
- CVE-2003-0358: Buffer overflow in (1) nethack 3.4.0 and earlier, and (2) falconseye 1.9.3 and earlier, which is based on nethack, allows local users to gain privileges via a long -s command line option.
- DSA-316: nethack -- buffer overflow
- DSA-350: falconseye -- buffer overflow
Reported:
Feb 09, 2003
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
Copyright (c) 1994-2008 Internet Security Systems, Inc. All rights reserved worldwide.
For corrections or additions please email xforce@iss.net