Main Vulnerability Database Vulnerabilities #VU31422

Buffer overflow in PCRE2 - CVE-2017-8399

Published: May 1, 2017 / Updated: July 18, 2020

Vulnerability identifier: #VU31422

CSH Severity: High

CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-8399

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

PCRE2 before 10.30 has an out-of-bounds write caused by a stack-based buffer overflow in pcre2_match.c, related to a "pattern with very many captures."

Affected software

PCRE2
Gentoo Linux

How to mitigate CVE-2017-8399

Install update from vendor's website.

PCRE2 - update to 10.30

External References

http://www.securityfocus.com/bid/98315
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=783
https://security.gentoo.org/glsa/201710-09
https://vcs.pcre.org/pcre2/code/tags/pcre2-10.30/ChangeLog?revision=854&view=markup
https://vcs.pcre.org/pcre2?view=revision&revision=674

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