Buffer overflow in radare2 - CVE-2018-20460
Published: December 25, 2018 / Updated: July 17, 2020
Vulnerability identifier: #VU31174
CSH Severity: Low
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-20460
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local non-authenticated attacker to perform a denial of service (DoS) attack.
In radare2 prior to 3.1.2, the parseOperands function in libr/asm/arch/arm/armass64.c allows attackers to cause a denial-of-service (application crash caused by stack-based buffer overflow) by crafting an input file.
Affected software
radare2
Fedora
radare2
Fedora
radare2
How to mitigate CVE-2018-20460
Install update from vendor's website.
radare2 - update to 3.1.2
radare2 - addressed in versions 3.2.0-1.fc28, 3.2.0-1.fc29
radare2 - addressed in versions 3.2.0-1.fc28, 3.2.0-1.fc29