PT-2017-17565 · Pcre+3 · Pcre2+4

CVE-2017-7186 · Published 2017-03-20 · Updated 2022-10-10

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 8.40 PCRE2 versions 10.23

Description The issue allows remote attackers to cause a denial of service, resulting in a segmentation violation for read access and an application crash, by triggering an invalid Unicode property lookup.

Recommendations For PCRE version 8.40, update to a version that fixes the issue. For PCRE2 version 10.23, update to a version that fixes the issue. As a temporary workaround, consider restricting access to the vulnerable function to minimize the risk of exploitation.

Fix

DoS

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

ALT-PU-2017-1815

ALT-PU-2017-2563

CVE-2017-7186

MGASA-2017-0454

OPENSUSE-SU-2024:11153-1

OPENSUSE-SU-2024:11154-1

SUSE-SU-2021:3652-1

USN-5665-1

Affected Products

Alt Linux

Pcre

Pcre2

Suse

Ubuntu

References · 57

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6004 · Security Note
• https://osv.dev/vulnerability/ALPINE-CVE-2017-7186 · Vendor Advisory
• https://errata.altlinux.org/ALT-PU-2017-2563 · Vendor Advisory
• https://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r1=1490&r2=1688&sortby=date · Patch
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8786 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2017-7186 · Vendor Advisory
• https://security.gentoo.org/glsa/201710-25 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-7186 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2021:3652-1 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2017-0454.html · Security Note
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/XEYMUTVQAMYFGYH7ZE6RJD34GJMBZRMS · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-7186 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5665-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8399 · Security Note
• https://osv.dev/vulnerability/USN-5665-1 · Vendor Advisory