Heap-based buffer overflow in PCRE - CVE-2015-3210

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap-based buffer overflow in PCRE 8.34 through 8.37 and PCRE2 10.10. A remote attacker can use a crafted regular expression to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

How to mitigate CVE-2015-3210

Sources

• http://rhn.redhat.com/errata/RHSA-2016-2750.html
• http://www.openwall.com/lists/oss-security/2015/06/01/7
• http://www.openwall.com/lists/oss-security/2015/12/02/11
• http://www.securityfocus.com/bid/74934
• https://access.redhat.com/errata/RHSA-2016:1132
• https://bugs.exim.org/show_bug.cgi?id=1636