Stack-based buffer overflow in radare2 - CVE-2018-20456
Published: December 25, 2018 / Updated: July 17, 2020
Vulnerability identifier: #VU31172
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-20456
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Radare
Affected software:
radare2
radare2
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing a stack-based buffer over-read) by crafting an input file, a related issue to CVE-2018-20455. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2018-20456
Update to version 3.1.1.