Infinite loop in Wireshark - CVE-2021-4185

Vulnerability identifier: #VU59123

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-2021-4185

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 RTMPT dissector. A remote attacker can send specially crafted traffic over the network, consume all available system resources and cause denial of service conditions.

Wireshark
Gentoo Linux
Amazon Linux AMI
SUSE CaaS Platform
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Linux Enterprise Micro
SUSE Enterprise Storage
Ubuntu
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise Desktop
SUSE Linux Enterprise Server for SAP Applications
SUSE Linux Enterprise Module for Server Applications
SUSE Linux Enterprise Module for Desktop Applications
SUSE Linux Enterprise Module for Basesystem
openEuler
Fedora
wireshark-help
wireshark-debuginfo
wireshark-debugsource
wireshark-devel
wireshark
wireshark (Ubuntu package)
libwireshark15
wireshark-ui-qt-debuginfo
libwireshark15-debuginfo
libwiretap12
libwiretap12-debuginfo
libwsutil13
libwsutil13-debuginfo
wireshark-ui-qt
net-analyzer/wireshark
libvirt-nss
libvirt-daemon-driver-storage-mpath
libvirt-daemon-driver-storage-mpath-debuginfo
libvirt-daemon-driver-storage-scsi
libvirt-daemon-driver-storage-scsi-debuginfo
libvirt-daemon-hooks
libvirt-daemon-lxc
libvirt-daemon-qemu
libvirt-debugsource
libvirt-devel
libvirt-lock-sanlock
libvirt-lock-sanlock-debuginfo
libvirt-nss-debuginfo
libvirt-daemon-driver-storage-rbd
libvirt-daemon-driver-storage-rbd-debuginfo
libvirt-bash-completion
libvirt-doc
libvirt-daemon-driver-libxl
libvirt-daemon-driver-libxl-debuginfo
libvirt-daemon-xen
libvirt-libs
libvirt-libs-debuginfo
libvirt-daemon-config-nwfilter
libvirt-daemon-driver-nodedev
libvirt-daemon-driver-network-debuginfo
libvirt-daemon-driver-network
libvirt-daemon-driver-lxc-debuginfo
libvirt-daemon-driver-lxc
libvirt-daemon-driver-interface-debuginfo
libvirt-daemon-driver-interface
libvirt-daemon-debuginfo
libvirt-daemon-driver-nodedev-debuginfo
libvirt-daemon-config-network
libvirt-daemon
libvirt-client-debuginfo
libvirt-client
libvirt-admin-debuginfo
libvirt-admin
libvirt
libvirt-daemon-driver-storage-core
libvirt-daemon-driver-storage-logical
libvirt-daemon-driver-storage-iscsi-direct-debuginfo
libvirt-daemon-driver-storage-iscsi-direct
libvirt-daemon-driver-storage-iscsi-debuginfo
libvirt-daemon-driver-storage-iscsi
libvirt-daemon-driver-storage-disk-debuginfo
libvirt-daemon-driver-storage-disk
libvirt-daemon-driver-storage-core-debuginfo
libvirt-daemon-driver-storage-logical-debuginfo
libvirt-daemon-driver-storage
libvirt-daemon-driver-secret-debuginfo
libvirt-daemon-driver-secret
libvirt-daemon-driver-qemu-debuginfo
libvirt-daemon-driver-qemu
libvirt-daemon-driver-nwfilter-debuginfo
libvirt-daemon-driver-nwfilter

Install updates from vendor's website.

Wireshark - addressed in versions 3.4.11, 3.6.1
wireshark-help - update to 2.6.2-21
wireshark-debuginfo - update to 2.6.2-21
wireshark-debugsource - update to 2.6.2-21
wireshark-devel - update to 2.6.2-21
wireshark - update to 2.6.2-21
wireshark (Ubuntu package) - addressed in versions 2.6.10-1~ubuntu14.04.0~esm3, 2.6.10-1~ubuntu16.04.0+esm2, 2.6.10-1~ubuntu18.04.0+esm2, 3.2.3-1ubuntu0.1~esm2, 3.6.2-2ubuntu0.1~esm1
wireshark - addressed in versions 3.6.1-1.fc34, 3.6.1-1.fc35
libwireshark15 - update to 3.6.1-3.68.1
wireshark-ui-qt-debuginfo - update to 3.6.1-3.68.1
libwireshark15-debuginfo - update to 3.6.1-3.68.1
libwiretap12 - update to 3.6.1-3.68.1
libwiretap12-debuginfo - update to 3.6.1-3.68.1
libwsutil13 - update to 3.6.1-3.68.1
libwsutil13-debuginfo - update to 3.6.1-3.68.1
wireshark-ui-qt - update to 3.6.1-3.68.1
wireshark - update to 3.6.1-3.68.1
wireshark-debuginfo - update to 3.6.1-3.68.1
wireshark-debugsource - update to 3.6.1-3.68.1
wireshark-devel - update to 3.6.1-3.68.1
net-analyzer/wireshark - update to 3.6.8
wireshark - update to 4.0.2-1
libvirt-nss - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-storage-mpath - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-storage-mpath-debuginfo - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-storage-scsi - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-storage-scsi-debuginfo - update to 7.1.0-150300.6.23.1
libvirt-daemon-hooks - update to 7.1.0-150300.6.23.1
libvirt-daemon-lxc - update to 7.1.0-150300.6.23.1
libvirt-daemon-qemu - update to 7.1.0-150300.6.23.1
libvirt-debugsource - update to 7.1.0-150300.6.23.1
libvirt-devel - update to 7.1.0-150300.6.23.1
libvirt-lock-sanlock - update to 7.1.0-150300.6.23.1
libvirt-lock-sanlock-debuginfo - update to 7.1.0-150300.6.23.1
libvirt-nss-debuginfo - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-storage-rbd - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-storage-rbd-debuginfo - update to 7.1.0-150300.6.23.1
libvirt-bash-completion - update to 7.1.0-150300.6.23.1
libvirt-doc - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-libxl - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-libxl-debuginfo - update to 7.1.0-150300.6.23.1
libvirt-daemon-xen - update to 7.1.0-150300.6.23.1
libvirt-libs - update to 7.1.0-150300.6.23.1
libvirt-libs-debuginfo - update to 7.1.0-150300.6.23.1
libvirt-daemon-config-nwfilter - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-nodedev - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-network-debuginfo - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-network - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-lxc-debuginfo - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-lxc - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-interface-debuginfo - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-interface - update to 7.1.0-150300.6.23.1
libvirt-daemon-debuginfo - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-nodedev-debuginfo - update to 7.1.0-150300.6.23.1
libvirt-daemon-config-network - update to 7.1.0-150300.6.23.1
libvirt-daemon - update to 7.1.0-150300.6.23.1
libvirt-client-debuginfo - update to 7.1.0-150300.6.23.1
libvirt-client - update to 7.1.0-150300.6.23.1
libvirt-admin-debuginfo - update to 7.1.0-150300.6.23.1
libvirt-admin - update to 7.1.0-150300.6.23.1
libvirt - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-storage-core - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-storage-logical - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-storage-iscsi-direct-debuginfo - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-storage-iscsi-direct - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-storage-iscsi-debuginfo - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-storage-iscsi - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-storage-disk-debuginfo - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-storage-disk - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-storage-core-debuginfo - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-storage-logical-debuginfo - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-storage - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-secret-debuginfo - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-secret - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-qemu-debuginfo - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-qemu - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-nwfilter-debuginfo - update to 7.1.0-150300.6.23.1
libvirt-daemon-driver-nwfilter - update to 7.1.0-150300.6.23.1

• https://www.wireshark.org/security/wnpa-sec-2021-17.html

• Multiple vulnerabilities in Wireshark
• Gentoo update for Wireshark
• SUSE update for wireshark
• openEuler update for wireshark
• Amazon Linux AMI update for wireshark
• Fedora 34 update for wireshark
• Fedora 35 update for wireshark
• Ubuntu update for wireshark