Caldera OpenServer /usr/bin/sar buffer overflow
| openserver-sar-bo (8989) |  High Risk |
Description:
Caldera OpenServer is vulnerable to a buffer overflow in the /usr/bin/sar program. By passing an overly long string to /usr/bin/sar using the -o or -f command line option, a local attacker could overflow a buffer and execute arbitrary code on the system with elevated privileges.
Consequences:
Gain Privileges
Remedy:
Apply the patch for this vulnerability, as listed in Caldera International, Inc. Security Advisory CSSA-2002-SCO.17. See References.
References:
- BugTraq Mailing List, Thu, 9 Sep 1999 09:52:21 -0500: 19 SCO 5.0.5+Skunware98 buffer overflows.
- Caldera International, Inc. Security Advisory CSSA-2002-SCO.17: OpenServer 5.0.5 : sar -o buffer overflow.
- SCO Security Bulletin 99.17c: Multiple Vulnerabilities Found In OpenServer.
- Vuln-Dev Mailing List, 2002-05-09 9:29:43: Sar -o exploitation process info..
- BID-4089: Multiple Vendor SNMP Request Handling Vulnerabilities
- BID-643: Caldera OpenServer CPU Status Utilities Buffer Overflow Vulnerability
- CVE-1999-1570: Buffer overflow in sar for OpenServer 5.0.5 allows local users to gain root privileges via a long -o parameter.
- CVE-1999-1571: Buffer overflow in sar for SCO OpenServer 5.0.0 through 5.0.5 may allow local users to gain root privileges via a long -f parameter, a different vulnerability than CVE-1999-1570.
- OSVDB ID: 13584: SCO OpenServer sar -o Parameter Local Overflow
- OSVDB ID: 8801: SCO OpenServer sar -f Parameter Local Overflow
Platforms Affected:
- SCO Caldera OpenServer 5.0.5
Reported:
May 01, 2002
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