PT-2017-16823 · Philip Hazel+3 · Pcre+3

Published 2016-06-15 · Updated 2022-10-10 · CVE-2017-6004

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions PCRE versions prior to revision 1680 PCRE versions 8.x and earlier

Description The issue allows remote attackers to cause a denial of service, resulting in an out-of-bounds read and application crash, via a crafted regular expression. This is due to a problem in the compile bracket matchingpath function in pcre jit compile.c.

Recommendations For PCRE versions prior to revision 1680, update to a version that includes the fix for this issue. For PCRE versions 8.x and earlier, update to a version that includes the fix for this issue. As a temporary workaround, consider restricting the use of crafted regular expressions to minimize the risk of exploitation.

Fix

DoS

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

ALT-PU-2016-1611

CVE-2017-6004

MGASA-2017-0454

OPENSUSE-SU-2024:11153-1

SUSE-SU-2021:3652-1

SUSE-SU-2021_3652-1

USN-5665-1

Affected Products

Alt Linux

Pcre

Suse

Ubuntu

References · 41

• https://cve.org/CVERecord?id=CVE-2017-6004 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-6004 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5665-1 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2018:2486 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/ESZV6GLV63XBXTZQOAJPOWLRIG35TEV7 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/XEYMUTVQAMYFGYH7ZE6RJD34GJMBZRMS · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:3652-1 · Vendor Advisory
• https://security.gentoo.org/glsa/201706-11 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2017-0454 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-6004 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-6004 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-7186 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2017-6004 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5665-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-6004 · Vendor Advisory