#VU34151 Buffer overflow in Tor - CVE-2020-15572 

 

#VU34151 Buffer overflow in Tor - CVE-2020-15572

Published: July 15, 2020 / Updated: August 8, 2020


Vulnerability identifier: #VU34151
Vulnerability risk: 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-2020-15572
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Tor
Software vendor:
tor.eff.org

Description

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

Tor before 0.4.3.6 has an out-of-bounds memory access that allows a remote denial-of-service (crash) attack against Tor instances built to use Mozilla Network Security Services (NSS), aka TROVE-2020-001.


Remediation

Install update from vendor's website.

External links