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TITLE:
PCRE pcre_compile.c Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA30916

VERIFY ADVISORY:
http://secunia.com/advisories/30916/

CRITICAL:
Moderately critical

IMPACT:
DoS, System access

WHERE:
>From remote

SOFTWARE:
PCRE 7.x
http://secunia.com/product/13118/

DESCRIPTION:
A vulnerability has been reported in PCRE, which can be exploited by
malicious people to cause a DoS (Denial of Service) and potentially
compromise an application using the library.

The vulnerability is caused due to an error when processing certain
patterns containing an option at the start and multiple branches.
This can be exploited to cause a heap-based buffer overflow via
specially crafted patterns.

The vulnerability is reported in version 7.7. Other versions may also
be affected.

SOLUTION:
Do not use untrusted regular expressions in an application using the
library.

PROVIDED AND/OR DISCOVERED BY:
Tavis Ormandy

ORIGINAL ADVISORY:
http://bugs.gentoo.org/show_bug.cgi?id=228091

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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Please Note:
Secunia recommends that you verify all advisories you receive by
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Secunia NEVER sends attached files with advisories.
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