#VU50140 Integer overflow in YARA

 

#VU50140 Integer overflow in YARA

Published: January 29, 2021 / Updated: January 29, 2021


Vulnerability identifier: #VU50140
Vulnerability risk: 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:P/U:Green
CVE-ID: N/A
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vulnerable software:
YARA
Software vendor:
VirusTotal

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to integer overflow within the macho_parse_fat_file() function in the macho module. A remote attacker can pass specially crafted file to the application, trigger integer overflow and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links