TITLE:
Squid FTP Server Response Handling Denial of Service

SECUNIA ADVISORY ID:
SA17271

VERIFY ADVISORY:
http://secunia.com/advisories/17271/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
Squid 2.x
http://secunia.com/product/310/

DESCRIPTION:
M.A.Young has reported a vulnerability in Squid, which can be
exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error in handling certain FTP
server responses. This can be exploited to crash Squid by visiting a
malicious FTP server via the proxy.

The vulnerability has been reported in Squid-2.5 and prior.

SOLUTION:
Apply patch for 2.5.STABLE11:
http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE11-rfc1738_do_escape.patch

PROVIDED AND/OR DISCOVERED BY:
M.A.Young

ORIGINAL ADVISORY:
http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE11-rfc1738_do_escape

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About:
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vulnerabilities.

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http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
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Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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