#VU22932 Buffer Over-read in Oniguruma - CVE-2019-19203
Published: November 22, 2019 / Updated: November 29, 2019
Vulnerability identifier: #VU22932
Vulnerability risk: Medium
CVSSv4.0: 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:P/U:Green
CVE-ID: CVE-2019-19203
CWE-ID: CWE-126
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Oniguruma
Oniguruma
Software vendor:
K.Kosako
K.Kosako
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists in the "gb18030_mbc_enc_len" function in "gb18030.c" file due to the UChar pointer is dereferenced without checking if it passed the end of the matched string. A remote attacker can cause a denial of service condition on the target system.
Remediation
Install updates from vendor's website.