PT-2015-3437 · Pcre+5 · Pcre+5

Published 2015-11-24 · Updated 2023-02-16 · CVE-2015-8391

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions PCRE versions prior to 8.38

Description The issue is related to the pcre compile function in the PCRE library, which mishandles certain [: nesting in regular expressions. This can be exploited by remote attackers to cause a denial of service, potentially leading to CPU consumption, via a crafted regular expression. The vulnerability may have other unspecified impacts.

Recommendations For versions prior to 8.38, update to version 8.38 or later to resolve the issue. As a temporary workaround, consider restricting the use of the pcre compile function until a patch is available. Avoid using crafted regular expressions that may exploit the vulnerability in the pcre compile function.

Fix

DoS

Buffer Overflow

Weakness Enumeration

CWE-407

CWE-119

Related Identifiers

ALT-PU-2015-2023

BDU:2022-04560

CESA-2016_1025

CVE-2015-8391

RHSA-2016:1025

RHSA-2016:1132

RHSA-2016:2750

RHSA-2016_1025

SUSE-SU-2016:2971-1

SUSE-SU-2016:3161-1

SUSE-SU-2017:2699-1

SUSE-SU-2017:2700-1

USN-2943-1

Affected Products

Alt Linux

Centos

Pcre

Red Hat

Suse

Ubuntu

References · 149

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3217 · Security Note
• https://ubuntu.com/security/CVE-2015-8389 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8383 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8393 · Security Note
• https://ubuntu.com/security/CVE-2015-8394 · Vendor Advisory
• http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174931.html · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2326 · Security Note
• https://ubuntu.com/security/CVE-2015-8383 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-8393 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8390 · Security Note
• http://rhn.redhat.com/errata/RHSA-2016-2750.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-8390 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2328 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8382 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-3191 · Security Note