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SCO Open Server 5.0.6 lpusers Buffer Overflow Vulnerability

🗓️ 01 Jul 2014 00:00:00Reported by RootType 
seebug
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SCO Open Server 5.0.6 lpusers Buffer Overflow Vulnerability, locally exploitable buffer overflow in lpusers component can yield root privileg

Code

                                                source: http://www.securityfocus.com/bid/2557/info

SCO OpenServer 5.0.6 (and possibly earlier versions) ships with several suid bin executables used in printer administration and related tasks.

This includes lpusers, a component used to set the queue priority of jobs submitted to the LP print service by users.
'lpusers' contains a locally exploitable buffer overflow vulnerability that occurs when commandline arguments are of excessive length.

If properly exploited, this can yield root privilege to the attacker.

/opt/K/SCO/Unix/5.0.6Ga/usr/lib/lpusers -u `perl -e 'print "A" x 700'`

Memory fault - core dumped 
                              

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