Note: This is an archival copy of Security Sun Alert 201182 as previously published on http://sunsolve.sun.com. Latest version of this security advisory is available from http://support.oracle.com as Sun Alert 1000893.1. |
Category Security Release Phase Resolved 5103385 Date of Resolved Release 23-SEP-2004 ... 1. Impact Insufficient validation of shell characters in "a2ps" causes a filename vulnerability that may allow a local unprivileged user to execute arbitrary code. Note: The "Any to PostScript" filter (a2ps.1) formats files for printing to a PostScript printer. A description of this issue can be found at http://www.securiteam.com/unixfocus/5MP0N2KDPA.html. 2. Contributing Factors This issue can occur in the following releases: Linux Platform
Notes:
To determine the release of JDS for Linux installed on a system, the following command can be run: % cat /etc/sun-release Sun Java Desktop System, Release 2 -build 10b (GA) Assembled 30 March 2004 To determine the version of "a2ps" the following command can be run: % rpm -qf /usr/bin/a2ps a2ps-4.13-1026 3. Symptoms There are no predictable symptoms that would indicate the described issue has been exploited. 4. Workaround To work around the described issue, remove the "a2ps RPM" by running the following command as "root": # rpm -e `rpm -qf /usr/bin/a2ps` 5. Resolution This issue is addressed in the following releases: Linux Platform
To download and install the updated RPMs from the update servers, select the following sequence from the "launch" bar: Launch >> Applications >> System Tools >> Online Update For more information on obtaining RPM updates, see:
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