SB2020081132 - Input validation error in Radare radare2
Published: August 11, 2020 Updated: August 21, 2023
Security Bulletin ID
SB2020081132
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2020-17487)
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.