Input validation error in radare2 - CVE-2020-16269

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Main Vulnerability Database Vulnerabilities #VU34123

Input validation error in radare2 - CVE-2020-16269

Published: August 3, 2020 / Updated: August 8, 2020


Vulnerability identifier: #VU34123
CSH Severity: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2020-16269
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
radare2
Software vendor:
Radare

Description

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.


Remediation

Install update from vendor's website.

External links