CVE-2017-6004

MEDIUM

Description

The compile_bracket_matchingpath function in pcre_jit_compile.c in PCRE through 8.x before revision 1680 (e.g., the PHP 7.1.1 bundled version) allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted regular expression.

References

http://www.securityfocus.com/bid/96295

http://www.securitytracker.com/id/1037850

https://access.redhat.com/errata/RHSA-2018:2486

https://bugs.exim.org/show_bug.cgi?id=2035

https://security.gentoo.org/glsa/201706-11

https://vcs.pcre.org/pcre/code/trunk/pcre_jit_compile.c?r1=1676&r2=1680&view=patch

Details

Source: MITRE

Published: 2017-02-16

Updated: 2018-08-17

Type: CWE-125

Risk Information

CVSS v2.0

Base Score: 5

Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH