Double Free in radare2 - CVE-2020-27794

 

Double Free in radare2 - CVE-2020-27794

Published: August 21, 2023


Vulnerability identifier: #VU79763
CSH Severity: High
CVSS v4: 8.6 [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]
CVE-ID: CVE-2020-27794
CWE-ID: CWE-415
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in cmd_info.c:cmd_info(). A remote attacker can pass specially crafted data to the application, trigger a double free error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

radare2

How to mitigate CVE-2020-27794

Install updates from vendor's website.

radare2 - update to 4.4.0

External References

Related Security Bulletins