Caldera UnixWare and OpenUnix dtterm command buffer overflow
| unixware-openunix-dtterm-bo (7282) |  High Risk |
Description:
Caldera UnixWare OpenUnix (formerly known as SCO UnixWare and OpenUnix) are vulnerable to a buffer overflow in the dtterm command. By sending a long argument to the dtterm command, a local attacker can overflow a buffer to gain elevated privileges on the system.
Consequences:
Gain Privileges
Remedy:
Apply the appropriate patch for your system, as listed in Caldera International, Inc. Security Advisory CSSA-2001-SCO.26. See References.
References:
- BugTraq Mailing List, Tue Oct 02 2001 - 00:54:42 CDT: OpenUNIX 8 & Unixware possible local root.
- Caldera International, Inc. Security Advisory CSSA-2001-SCO.26: Open UNIX 8, UnixWare 7: dtterm argument buffer overflow.
- BID-4502: Caldera X11 Library -xrm Buffer Overflow Vulnerability
- CVE-2002-0517: Buffer overflow in X11 library (libX11) on Caldera Open UNIX 8.0.0, UnixWare 7.1.1, and possibly other operating systems, allows local users to gain root privileges via a long -xrm argument to programs such as (1) dtterm or (2) xterm.
- US-CERT VU#169059: X11 vulnerable to buffer overflow in handling of -xrm option
Platforms Affected:
- SCO Caldera OpenUnix 8.0.0
- SCO Caldera UnixWare 7
Reported:
Oct 15, 2001
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