Out-of-bounds write in Rizin - CVE-2021-43814
Published: April 5, 2022
Vulnerability identifier: #VU61877
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-43814
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Rizin
Rizin
Software vendor:
Rizin
Rizin
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error within the parse_die() function when reversing an AMD64 ELF binary with DWARF debug info. A remote attacker can trick the victim to open a malicious AMD64 ELF binary, trigger an out-of-bounds write and crash the affected application or execute arbitrary code on the target system.
Remediation
Install update from vendor's website.