Infinite loop in Wireshark - CVE-2019-16319

 

Infinite loop in Wireshark - CVE-2019-16319

Published: September 12, 2019 / Updated: September 16, 2019


Vulnerability identifier: #VU21090
CSH Severity: Medium
CVSS v4.0: 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-2019-16319
CWE-ID: CWE-835
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 infinite loop in Gryphon dissector when processing network packets in the "plugins/epan/gryphon/packet-gryphon.c" file. A remote attacker can consume all available system resources and cause denial of service conditions.


How to mitigate CVE-2019-16319

Install updates from vendor's website.

Sources