Out-of-bounds read in Oniguruma - CVE-2019-19246
Published: November 29, 2019
Vulnerability identifier: #VU23097
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-19246
CWE-ID: CWE-125
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 perform a denial of service (DoS) attack.
The vulnerability exists due to heap-based buffer over-read in str_lower_case_match in regexec.c, if used with PPH 7.3. A remote attacker can perform a denial of service attack or gain access to sensitive information.
How to mitigate CVE-2019-19246
Install update from vendor's website.