Bochs long HOME variable buffer overflow
| bochs-home-bo (15309) |  High Risk |
Description:
Bochs could allow a local attacker to execute arbitrary commands on the system, caused by a buffer overflow in the HOME environment variable. A local attacker could supply a long HOME environment variable to execute arbitrary commands on the system with elevated privileges.
Consequences:
Gain Access
Remedy:
Upgrade to the latest version of Bochs (2.1.1 or later), available from the SourceForge.net Web site. See References.
References:
- boch's Web site: bochs: The Open Source IA-31 Emulation Project (Home Page).
- SecuriTeam Mailing List, UNIX focus 25 Feb 2004: Bochs HOME Environment Variable Buffer Overflow.
- SourceForge.net: SourceForge.net: Project Filelist.
- CVE-2004-2372: Buffer overflow in Bochs before 2.1.1, if installed setuid, allows local users to execute arbitrary code via a long HOME environment variable, which is used if the .bochsrc, bochsrc, and bochsrc.txt cannot be found in a known path. NOTE: some external documents recommend that Bochs be installed setuid root, so this should be treated as a vulnerability.
- OSVDB ID: 20150: Bochs HOME Environment Variable Local Overflow
- SECTRACK ID: 1009219: Bochs Buffer Overflow in HOME Environment Variable May Let Local Users Gain Elevated Privileges
Platforms Affected:
- Bochs Project Bochs prior to 2.1.1
Reported:
Feb 25, 2004
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