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List:       oss-security
Subject:    [oss-security] Re: CVE Request: PCRE Library Heap Overflow Vulnerability in find_fixedlength()
From:       cve-assign () mitre ! org
Date:       2015-06-26 10:00:23
Message-ID: 20150626100023.BD5636FC04B () smtpvmsrv1 ! mitre ! org
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> PCRE library is prone to a vulnerability which leads to Heap Overflow.
> During subpattern calculation of a malformed regular expression, an offset
> that is used as an array index is fully controlled and can be large enough
> so that unexpected heap memory regions are accessed.
> One could at least exploit this issue to read objects nearby of the
> affected application's memory.
> 
> https://bugs.exim.org/show_bug.cgi?id=1651

>> The important thing was the excess closing parenthesis.
>> 
>> pcre_compile.c
>> 
>> -if (cd->check_lookbehind)
>> +if (errorcode == 0 && cd->check_lookbehind)

Use CVE-2015-5073.

- -- 
CVE assignment team, MITRE CVE Numbering Authority
M/S M300
202 Burlington Road, Bedford, MA 01730 USA
[ PGP key available through http://cve.mitre.org/cve/request_id.html ]
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