Memory leak in Wireshark - CVE-2020-26420

 

Memory leak in Wireshark - CVE-2020-26420

Published: December 16, 2020 / Updated: December 19, 2020


Vulnerability identifier: #VU49035
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-26420
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Wireshark.org
Affected software:
Wireshark

Detailed vulnerability description

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

The vulnerability exists due to memory leak within RTPS protocol dissector in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet injection or crafted capture file. A remote attacker can perform a denial of service attack.


How to mitigate CVE-2020-26420

Install update from vendor's website.

Sources