Resource exhaustion in Wireshark - CVE-2023-6174

Vulnerability identifier: #VU83211

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-2023-6174

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 within the SSH dissector. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Wireshark
Debian Linux
Gentoo Linux
Amazon Linux AMI
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
Basesystem Module
Desktop Applications Module
openSUSE Leap
Anolis OS
Fedora
wireshark
net-analyzer/wireshark
wireshark-doc
wireshark-devel
wireshark-cli
wireshark (Debian package)
wireshark-ui-qt
libwireshark17
libwsutil15-debuginfo
libwsutil15
libwireshark17-debuginfo
libwiretap14-debuginfo
wireshark-debugsource
wireshark-ui-qt-debuginfo
libwiretap14
wireshark-debuginfo

Install updates from vendor's website.

Wireshark - update to 4.0.11
wireshark - update to 4.0.8-2
net-analyzer/wireshark - update to 4.0.11
wireshark-doc - update to 4.0.11-1
wireshark-devel - update to 4.0.11-1
wireshark-cli - update to 4.0.11-1
wireshark - update to 4.0.11-1
wireshark (Debian package) - update to 4.0.11-1~deb12u1
wireshark - addressed in versions 4.0.12-1.fc38, 4.0.12-1.fc39
wireshark-ui-qt - update to 4.2.6-150600.18.6.1
libwireshark17 - update to 4.2.6-150600.18.6.1
libwsutil15-debuginfo - update to 4.2.6-150600.18.6.1
libwsutil15 - update to 4.2.6-150600.18.6.1
libwireshark17-debuginfo - update to 4.2.6-150600.18.6.1
libwiretap14-debuginfo - update to 4.2.6-150600.18.6.1
wireshark-debugsource - update to 4.2.6-150600.18.6.1
wireshark-ui-qt-debuginfo - update to 4.2.6-150600.18.6.1
wireshark - update to 4.2.6-150600.18.6.1
libwiretap14 - update to 4.2.6-150600.18.6.1
wireshark-debuginfo - update to 4.2.6-150600.18.6.1
wireshark-devel - update to 4.2.6-150600.18.6.1

• https://www.wireshark.org/security/wnpa-sec-2023-28.html
• https://gitlab.com/wireshark/wireshark/-/issues/19369

• Multiple vulnerabilities in Wireshark
• Debian update for wireshark
• Fedora 38 update for wireshark
• Fedora 39 update for wireshark
• Gentoo update for Wireshark
• SUSE update for wireshark
• Amazon Linux AMI update for wireshark
• Anolis OS update for wireshark