NULL pointer dereference in mruby - CVE-2022-0240
Published: January 21, 2022
Vulnerability identifier: #VU59910
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2022-0240
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: mruby
Affected software:
mruby
mruby
Detailed vulnerability description
The vulnerability allows a local attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the class.c script. A local attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.
How to mitigate CVE-2022-0240
Install updates from vendor's website.