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TITLE:
cURL/libcURL GnuTLS Security Issue

SECUNIA ADVISORY ID:
SA26104

VERIFY ADVISORY:
http://secunia.com/advisories/26104/

CRITICAL:
Less critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
cURL 7.x
http://secunia.com/product/4691/

DESCRIPTION:
A security issue has been reported in cURL/libcURL, which can be
exploited by malicious people to bypass certain security
restrictions.

The problem is that the validity period of SSL/TLS certificates
presented by peers is not properly checked. This can be exploited to
bypass access restrictions imposed by SSL/TLS certificates, but
requires that cURL/libcURL is built with GnuTLS.

The security issue is reported in versions 7.14.0 to 7.16.3.

SOLUTION:
Update to version 7.16.4:
http://www.curl.haxx.se/download.html

PROVIDED AND/OR DISCOVERED BY:
Discovered by Kees Cook.

ORIGINAL ADVISORY:
http://www.curl.haxx.se/docs/adv_20070710.html

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