Caldera OpenServer nmap -PO flag terminates inetd
| openserver-nmap-po-option (7571) |  Low Risk |
Description:
The nmap utility in Caldera OpenServer could allow an attacker to terminate inetd when the -PO flag is invoked.
Platforms Affected:
- SCO, Caldera OpenServer 5.0.5
Remedy:
Upgrade to the latest version of Caldera OpenServer (5.0.6 or later), as listed in Caldera International, Inc. Security Advisory CSSA-2001-SCO.33. See References.
Consequences:
Gain Access
References:
- Caldera International, Inc. Security Advisory CSSA-2001-SCO.33, OpenServer 5.0.5: nmap port scanner can kill inetd at ftp://stage.caldera.com/pub/security/openserver/CSSA-2001-SCO.33/CSSA-2001-SCO.33.txt.
- BID-4044: Caldera OpenServer Port Scan InetD Denial of Service Vulnerability
- CVE-2001-0896: Inetd in OpenServer 5.0.5 allows remote attackers to cause a denial of service (crash) via a port scan, e.g. with nmap -PO.
Reported:
Nov 15, 2001
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