Infinite loop in Wireshark - CVE-2019-16319

Vulnerability identifier: #VU21090

CSH Severity: Medium

CVSS v4: 8.7 [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]

CVE-ID: CVE-2019-16319

CWE-ID: CWE-835

Exploitation vector: Remote access

Exploit availability: No public exploit available

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.

Wireshark
wireshark (Alpine package)
wireshark
wireshark-debuginfo
wireshark-debugsource
wireshark-devel
wireshark-help
Opensuse
openEuler

Install updates from vendor's website.

Wireshark - addressed in versions 2.6.11, 3.0.4
wireshark (Alpine package) - addressed in versions 3.0.4-r0, 3.0.7-r0
wireshark - update to 2.6.2-16
wireshark-debuginfo - update to 2.6.2-16
wireshark-debugsource - update to 2.6.2-16
wireshark-devel - update to 2.6.2-16
wireshark-help - update to 2.6.2-16

• https://www.wireshark.org/security/wnpa-sec-2019-21.html

• Denial of service in Wireshark
• OpenSUSE Linux update for wireshark
• Infinite loop in wireshark (Alpine package)
• openEuler update for wireshark