CVE-2015-2325

high

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.

References

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

Details

Source: MITRE

Published: 2020-01-14

Updated: 2020-01-24

Type: CWE-125

Risk Information

CVSS v2

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 7.8

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

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH