Input validation error in radare2 - CVE-2020-17487

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU45877

Input validation error in radare2 - CVE-2020-17487

Published: August 11, 2020 / Updated: August 21, 2023


Vulnerability identifier: #VU45877
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-17487
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 signature information in PE files, causing a segmentation fault in r_x509_parse_algorithmidentifier in libr/util/x509.c. This is due to a malformed object identifier in IMAGE_DIRECTORY_ENTRY_SECURITY.


Remediation

Install update from vendor's website.

External links