Input validation error in radare2 - CVE-2020-16269
Published: August 3, 2020 / Updated: August 8, 2020
Vulnerability identifier: #VU34123
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-2020-16269
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
radare2 4.5.0 misparses DWARF information in executable files, causing a segmentation fault in parse_typedef in type_dwarf.c via a malformed DW_AT_name in the .debug_info section.
Affected software
radare2
Fedora
radare2
Fedora
radare2
How to mitigate CVE-2020-16269
Install update from vendor's website.
radare2 - addressed in versions 5.1.1-1.fc32, 5.1.1-1.fc33, 5.2.1-1.el7, 5.2.1-2.el8