CVE-2015-8382: Buffer Overflow
First published: Thu Jan 29 2015(Updated: )
It was reported that pcre_exec in PHP pcre extension partially initialize a buffer when an invalid regex is processed, which can information disclosure. A mitigation fix have been applied in PHP 5.4+ <a href="http://git.php.net/?p=php-src.git;a=commitdiff;h=c351b47ce85a3a147cfa801fa9f0149ab4160834">http://git.php.net/?p=php-src.git;a=commitdiff;h=c351b47ce85a3a147cfa801fa9f0149ab4160834</a> Upstream bug report (with a patch proposal): <a href="http://bugs.exim.org/show_bug.cgi?id=1537">http://bugs.exim.org/show_bug.cgi?id=1537</a>
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PCRE (Perl Compatible Regular Expressions) | =8.36 |
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Reference Links
- http://git.php.net/?p=php-src.git;a=commitdiff;h=c351b47ce85a3a147cfa801fa9f0149ab4160834
- http://bugs.exim.org/show_bug.cgi?id=1537
- https://bugs.exim.org/show_bug.cgi?id=1537
- http://vcs.pcre.org/pcre/code/trunk/pcre_exec.c?r1=1502&r2=1510
- http://openwall.com/lists/oss-security/2015/08/04/2
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1249905
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1249906
- https://bugzilla.redhat.com/show_bug.cgi?id=1187225
- http://git.php.net/?p=php-src.git;a=commit;h=c351b47ce85a3a147cfa801fa9f0149ab4160834
- http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
- http://www.openwall.com/lists/oss-security/2015/08/04/3
- http://www.openwall.com/lists/oss-security/2015/11/29/1
- http://www.securityfocus.com/bid/76157
- https://bto.bluecoat.com/security-advisory/sa128
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=c351b47ce85a3a147cfa801fa9f0149ab4160834
Frequently Asked Questions
What is the severity of CVE-2015-8382?
CVE-2015-8382 has been classified with a severity that allows for information disclosure potential.
How do I fix CVE-2015-8382?
To mitigate CVE-2015-8382, ensure you are using PHP version 5.4 or higher where patch fixes have been applied.
What software is affected by CVE-2015-8382?
CVE-2015-8382 affects the PCRE library versions up to and including 8.36.
Can CVE-2015-8382 lead to any exploits?
Yes, CVE-2015-8382 can lead to scenarios where an attacker may exploit buffer initialization issues to disclose sensitive information.
Is there a specific version of PHP that addresses CVE-2015-8382?
Yes, PHP versions 5.4 and above include mitigations for the vulnerability outlined in CVE-2015-8382.
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- version/pcre (perl compatible regular expressions)/8.36