Input validation error in radare2 - CVE-2021-3673
Published: August 3, 2021
Vulnerability identifier: #VU55537
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-3673
CWE-ID: CWE-20
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 insufficient validation of user-supplied input. A remote attacker can trick a victim to open a specially crafted LE binary file and perform a denial of service (DoS) attack.
Affected software
radare2
Fedora
iaito
radare2
Fedora
iaito
radare2
How to mitigate CVE-2021-3673
Install updates from vendor's website.
radare2 - update to 5.4.0
iaito - addressed in versions 5.3.1-3.fc33, 5.3.1-3.fc34, 5.3.1-3.fc35
radare2 - addressed in versions 5.4.0-1.fc33, 5.4.0-1.fc34, 5.4.0-1.fc35
iaito - addressed in versions 5.3.1-3.fc33, 5.3.1-3.fc34, 5.3.1-3.fc35
radare2 - addressed in versions 5.4.0-1.fc33, 5.4.0-1.fc34, 5.4.0-1.fc35