Out-of-bounds read in PCRE - CVE-2015-2326
Published: January 14, 2020 / Updated: July 17, 2020
Vulnerability identifier: #VU30442
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2015-2326
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
PCRE
PCRE
Software vendor:
PCRE
PCRE
Description
The vulnerability allows a local non-authenticated attacker to perform a denial of service (DoS) attack.
The pcre_compile2 function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code and cause a denial of service (out-of-bounds read) via regular expression with a group containing both a forward referencing subroutine call and a recursive back reference, as demonstrated by "((?+1)(1))/".
Remediation
Install update from vendor's website.