NULL pointer dereference in radare2 - CVE-2022-34520
Published: August 21, 2023
Vulnerability identifier: #VU79764
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-34520
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in libr/bin/p/bin_xtr_xalz.c. A remote attacker can trigger denial of service conditions via a crafted binary file.
Affected software
radare2
How to mitigate CVE-2022-34520
Install update from vendor's website.
radare2 - update to 5.7.4