IBM AIX LSM code buffer overflow
| aix-lsm-code-bo (11257) |  Low Risk |
Description:
IBM AIX is vulnerable to a denial of service attack, caused by a buffer overflow in the LSM code. By passing an overly long argument to the LSM code, a local attacker could overflow a buffer and cause the system to crash.
Platforms Affected:
- IBM, AIX 4.3.3
Remedy:
For IBM AIX 4.3.3:
Apply APAR IY29589 patch, available from the AIX Fix Distribution Service. See References.
Consequences:
Denial of Service
References:
- IBM AIXAPAR IY29589, SECURITY: Buffer overflow vulnerability in lsmcode at http://archives.neohapsis.com/archives/aix/2002-q2/0005.html. (From Neohapsis archive.)
- IBM Technical Support Web site, AIX Fix Distribution Service at http://www-03.ibm.com/servers/eserver/support/aix/downloading.html.
- SecuriTeam Mailing List, Security Holes & Exploits 11 Jun 2003, Exploit Code Release for lsmcode Vulnerability at http://www.securiteam.com/exploits/5YP0D0AAAQ.html.
- BID-7871: IBM AIX LSMCODE Environment Variable Local Buffer Overflow Vulnerability
- CVE-2002-0747: Buffer overflow in lsmcode in AIX 4.3.3.
Reported:
Apr 30, 2002
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