CVE-2015-2325 Information

Description

The compile_branch function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code cause a denial of service (out-of-bounds heap read and crash) or possibly have other unspecified impact via a regular expression with a group containing a forward reference repeated a large number of times within a repeated outer group that has a zero minimum quantifier.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.html https://bugs.exim.org/show_bug.cgi?id=1591 https://fortiguard.com/zeroday/FG-VD-15-015 https://www.pcre.org/original/changelog.txt

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8