multiple vulnerabilities in the cvs server code

Description:

Stefan Esser reports multiple remote exploitable vulnerabilites in the cvs code base.

Additionaly there exists an undocumented switch to the history command allows an attacker to determine whether arbitrary files exist and whether the CVS process can access them.

References:

• CVE name CAN-2004-0414
• CVE name CAN-2004-0416
• CVE name CAN-2004-0417
• CVE name CAN-2004-0418
• CVE name CAN-2004-0778
• URL: <http://secunia.com/advisories/11817>
• URL: <http://secunia.com/advisories/12309>
• URL: <http://security.e-matters.de/advisories/092004.html>
• URL: <http://www.idefense.com/application/poi/display?id=130&type=vulnerabilities&flashstatus=false>
• URL: <https://ccvs.cvshome.org/source/browse/ccvs/NEWS?rev=1.116.2.104>
• URL: <http://www.osvdb.org/6830>
• URL: <http://www.osvdb.org/6831>
• URL: <http://www.osvdb.org/6832>
• URL: <http://www.osvdb.org/6833>
• URL: <http://www.osvdb.org/6834>
• URL: <http://www.osvdb.org/6835>
• URL: <http://www.osvdb.org/6836>
• URL: <http://www.packetstormsecurity.org/0405-exploits/cvs_linux_freebsd_HEAP.c>
• BugTraq ID 10499

Affects:

• cvs+ipv6 <1.11.17
• FreeBSD <491101
• FreeBSD >=500000 <502114

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