Resource exhaustion in Wireshark - CVE-2020-28030

Vulnerability identifier: #VU48034

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-2020-28030

CWE-ID: CWE-400

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 application does not properly control consumption of internal resources when processing data within GQUIC dissector in Wireshark. A remote attacker can pass specially crafted data to the application, trigger resource exhaustion and perform a denial of service (DoS) attack.

Wireshark
Arch Linux
openEuler
Fedora
wireshark (Alpine package)
wireshark
wireshark-debuginfo
wireshark-help
wireshark-debugsource
wireshark-devel

Install updates from vendor's website.

Wireshark - addressed in versions 3.2.8, 3.4.0
wireshark (Alpine package) - update to 3.4.0-r0
wireshark - update to 2.6.2-15
wireshark-debuginfo - update to 2.6.2-15
wireshark-help - update to 2.6.2-15
wireshark-debugsource - update to 2.6.2-15
wireshark-devel - update to 2.6.2-15
wireshark - addressed in versions 3.4.0-1.fc32, 3.4.0-1.fc33

• https://www.wireshark.org/security/wnpa-sec-2020-15.html

• Denial of service in Wireshark GQUIC dissector
• Arch Linux update for wireshark-cli
• Resource exhaustion in wireshark (Alpine package)
• openEuler 20.03 LTS update for wireshark
• Fedora 33 update for wireshark
• Fedora 32 update for wireshark