Integer overflow in Oniguruma - CVE-2019-19012
Published: November 18, 2019 / Updated: November 29, 2019
Vulnerability identifier: #VU22814
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2019-19012
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: K.Kosako
Affected software:
Oniguruma
Oniguruma
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to integer overflow in the "search_in_range" function in "regexec.c". A remote attacker can use a specially crafted regular expression, trigger out-of-bounds read and cause a denial-of-service or information disclosure on the target system.
How to mitigate CVE-2019-19012
Install updates from vendor's website.