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Date: Wed, 3 Jun 2015 22:23:40 +0800
From: "wen_guanxing" <wen_guanxing@...ustech.com.cn>
To: "oss-security" <oss-security@...ts.openwall.com>
Subject: CVE-2015-3217: PCRE Library Call Stack Overflow Vulnerability in match()

PCRE is a regular expression C library inspired by the regular expression capabilities in the Perl programming language. The PCRE library is incorporated into a number of prominent programs, such as Adobe Flash, Apache, Nginx, PHP.


PCRE library is prone to a vulnerability which leads to Stack Overflow. Without enough bound checking inside match(), the stack memory could be overflowed via a crafted regular expression. Since PCRE library is widely used, this vulnerability should affect many applications. At least, an attacker may exploit this issue to DOS the user running the affected application. 


Reference:
https://bugs.exim.org/show_bug.cgi?id=1638



Wen Guanxing from Venustech ADLAB

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