Title: SCO UnixWare xlock(1) (long username) Buffer Overflow Vulnerability
Severity: MODERATE
Description:
Certain versions of Unixware ship with a version of xlock which is vulnerable to a buffer overflow attack. The xlock(1) program locks the local X display until a username and password are entered. In this instance a user can provide an overly long username and overflow a buffer in xlock(1). Given that xlock(1) runs SUID root this will result in a root compromise.
Affected Products:
- SCO Unixware 7.0.0
References:
- SCO: SCO Secure Technologies Group
- SCO: Vendor Homepage
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