Technical Description

A vulnerability has been identified in Sun Solaris, which could be exploited by local attackers to bypass security restrictions and gain elevated privileges. This issue is caused by an unspecified error in the "crontab" utility, which could allow an unprivileged local user to inject arbitrary cron jobs into another local user's crontab file, leading to execution of arbitrary code with the privileges of that user.

Affected Products

Sun Solaris 8
Sun Solaris 9
Sun Solaris 10
OpenSolaris builds snv_01 through snv_92

Solution

Sun Solaris 8 (SPARC) - Apply patch 109007-26 or later
Sun Solaris 9 (SPARC) - Apply patch 122300-27 or later
Sun Solaris 10 (SPARC) - Apply patch 137017-02 or later
OpenSolaris - Upgrade to build snv_93 or later

Sun Solaris 8 (x86) - Apply patch 109008-26 or later
Sun Solaris 9 (x86) - Apply patch 122301-27 or later
Sun Solaris 10 (x86) - Apply patch 137018-02 or later
OpenSolaris - Upgrade to build snv_93 or later

References

http://www.vupen.com/english/advisories/2008/1714
http://sunsolve.sun.com/search/document.do?assetkey=1-66-237864-1

Credits

Vulnerability reported by Charles Morris (Old Dominion University).

ChangeLog

2008-06-02 : Initial release

Vulnerability Management

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