Uncontrolled Recursion in PCRE - CVE-2017-11164
Published: August 3, 2020 / Updated: August 17, 2020
Vulnerability identifier: #VU33138
CSH Severity: Medium
CVSS v4: 5.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-11164
CWE-ID: CWE-674
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to uncontrolled recursion when processing regular expressions in the match function in pcre_exec.c. A remote attacker can perform a denial of service attack.
Affected software
PCRE
Arch Linux
Fedora
mingw-glibmm24
mingw-glib2
Arch Linux
Fedora
mingw-glibmm24
mingw-glib2
How to mitigate CVE-2017-11164
Install updates from vendor's website.
PCRE - update to 8.42
mingw-glibmm24 - update to 2.56.0-1.fc28
mingw-glib2 - update to 2.56.1-1.fc28
mingw-glibmm24 - update to 2.56.0-1.fc28
mingw-glib2 - update to 2.56.1-1.fc28