Resource exhaustion in Oniguruma - CVE-2019-16163

 

Resource exhaustion in Oniguruma - CVE-2019-16163

Published: September 9, 2019 / Updated: July 17, 2020


Vulnerability identifier: #VU30789
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-16163
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: K.Kosako
Affected software:
Oniguruma

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

Oniguruma before 6.9.3 allows Stack Exhaustion in regcomp.c because of recursion in regparse.c.


How to mitigate CVE-2019-16163

Install update from vendor's website.

Sources