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TITLE:
FreeBSD ftpd Long Command Processing Vulnerability

SECUNIA ADVISORY ID:
SA33341

VERIFY ADVISORY:
http://secunia.com/advisories/33341/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

OPERATING SYSTEM:
FreeBSD 6.x
http://secunia.com/advisories/product/6778/

DESCRIPTION:
FreeBSD has acknowledged a vulnerability in ftpd, which can be
exploited by malicious people to conduct cross-site request forgery
attacks.

The vulnerability is caused due to the application truncating an
overly long FTP command, and improperly interpreting the remainder
string as a new FTP command. This can be exploited to execute
arbitrary FTP commands with the privileges of another user by e.g.
tricking the user into following a malicious link.

SOLUTION:
Update FreeBSD or apply patches.

Fixed versions:
2008-12-23 01:23:09 UTC (RELENG_7, 7.1-PRERELEASE)
2008-12-23 01:23:09 UTC (RELENG_7_1, 7.1-RC2)
2008-12-23 01:23:09 UTC (RELENG_7_0, 7.0-RELEASE-p7)
2008-12-23 01:23:09 UTC (RELENG_6, 6.4-STABLE)
2008-12-23 01:23:09 UTC (RELENG_6_4, 6.4-RELEASE-p1)
2008-12-23 01:23:09 UTC (RELENG_6_3, 6.3-RELEASE-p7)

Patch for FreeBSD 6.3, 6.4, 7.0, and 7.1:
http://security.FreeBSD.org/patches/SA-08:12/ftpd.patch

PROVIDED AND/OR DISCOVERED BY:
Maksymilian Arciemowicz

ORIGINAL ADVISORY:
FreeBSD-SA-08:12.ftpd:
http://security.freebsd.org/advisories/FreeBSD-SA-08:12.ftpd.asc

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