Out-of-bounds read in Wireshark - CVE-2020-26421

Vulnerability identifier: #VU49036

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-26421

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

Crash in USB HID protocol dissector and possibly other dissectors in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet injection or crafted capture file.

Wireshark
Gentoo Linux
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Software Development Kit 12
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE CaaS Platform
SUSE Enterprise Storage
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Server
SUSE Linux Enterprise Module for Basesystem
SUSE Linux Enterprise Module for Desktop Applications
Fedora
wireshark (Alpine package)
libsbc1
libsbc1-debuginfo
sbc-devel
sbc-debugsource
sbc-debuginfo
libwscodecs1-debuginfo
wireshark-gtk
wireshark
libwsutil8
libwiretap7-debuginfo
wireshark-gtk-debuginfo
libwiretap7
libwireshark9
libwscodecs1
wireshark-devel
wireshark-debuginfo
wireshark-debugsource
libwsutil8-debuginfo
libwireshark9-debuginfo
wireshark-ui-qt
wireshark-ui-qt-debuginfo
libwireshark14
libwireshark14-debuginfo
libwiretap11
libwiretap11-debuginfo
libwsutil12
libwsutil12-debuginfo
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-daemon-driver-storage
libvirt-doc
libvirt-libs
libvirt-libs-debuginfo
libvirt-lock-sanlock
libvirt-lock-sanlock-debuginfo
libvirt-nss
libvirt-nss-debuginfo
libvirt-daemon-driver-libxl
libvirt-daemon-driver-libxl-debuginfo
libvirt-daemon-driver-storage-rbd
libvirt-daemon-driver-storage-rbd-debuginfo
libvirt-daemon-xen
libvirt-daemon-driver-storage-logical-debuginfo
libvirt
libvirt-admin
libvirt-admin-debuginfo
libvirt-client
libvirt-client-debuginfo
libvirt-daemon
libvirt-daemon-config-network
libvirt-daemon-config-nwfilter
libvirt-daemon-debuginfo
libvirt-daemon-driver-interface
libvirt-daemon-driver-interface-debuginfo
libvirt-daemon-driver-lxc
libvirt-daemon-driver-lxc-debuginfo
libvirt-daemon-driver-network
libvirt-daemon-driver-network-debuginfo
libvirt-daemon-driver-nodedev-debuginfo
libvirt-daemon-driver-storage-mpath
libvirt-daemon-driver-storage-logical
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-core
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
libvirt-daemon-driver-nodedev
libqt5-qtmultimedia-private-headers-devel
libqt5-qtmultimedia-devel
libqt5-qtmultimedia-debugsource
libQt5Multimedia5-debuginfo
libQt5Multimedia5

Install update from vendor's website.

Wireshark - addressed in versions 3.2.9, 3.4.1
wireshark (Alpine package) - update to 3.4.1-r0
libsbc1 - update to 1.3-3.2.1
libsbc1-debuginfo - update to 1.3-3.2.1
sbc-devel - update to 1.3-3.2.1
sbc-debugsource - update to 1.3-3.2.1
sbc-debuginfo - update to 1.3-3.2.1
libwscodecs1-debuginfo - update to 2.4.16-48.57.1
wireshark-gtk - update to 2.4.16-48.57.1
wireshark - addressed in versions 2.4.16-48.57.1, 3.4.5-3.53.1
libwsutil8 - update to 2.4.16-48.57.1
libwiretap7-debuginfo - update to 2.4.16-48.57.1
wireshark-gtk-debuginfo - update to 2.4.16-48.57.1
libwiretap7 - update to 2.4.16-48.57.1
libwireshark9 - update to 2.4.16-48.57.1
libwscodecs1 - update to 2.4.16-48.57.1
wireshark-devel - addressed in versions 2.4.16-48.57.1, 3.4.5-3.53.1
wireshark-debuginfo - addressed in versions 2.4.16-48.57.1, 3.4.5-3.53.1
wireshark-debugsource - addressed in versions 2.4.16-48.57.1, 3.4.5-3.53.1
libwsutil8-debuginfo - update to 2.4.16-48.57.1
libwireshark9-debuginfo - update to 2.4.16-48.57.1
wireshark - addressed in versions 3.4.2-1.fc32, 3.4.2-1.fc33
wireshark-ui-qt - update to 3.4.5-3.53.1
wireshark-ui-qt-debuginfo - update to 3.4.5-3.53.1
libwireshark14 - update to 3.4.5-3.53.1
libwireshark14-debuginfo - update to 3.4.5-3.53.1
libwiretap11 - update to 3.4.5-3.53.1
libwiretap11-debuginfo - update to 3.4.5-3.53.1
libwsutil12 - update to 3.4.5-3.53.1
libwsutil12-debuginfo - update to 3.4.5-3.53.1
libvirt-daemon-driver-storage-mpath-debuginfo - update to 4.0.0-9.37.21
libvirt-daemon-driver-storage-scsi - update to 4.0.0-9.37.21
libvirt-daemon-driver-storage-scsi-debuginfo - update to 4.0.0-9.37.21
libvirt-daemon-hooks - update to 4.0.0-9.37.21
libvirt-daemon-lxc - update to 4.0.0-9.37.21
libvirt-daemon-qemu - update to 4.0.0-9.37.21
libvirt-debugsource - update to 4.0.0-9.37.21
libvirt-devel - update to 4.0.0-9.37.21
libvirt-daemon-driver-storage - update to 4.0.0-9.37.21
libvirt-doc - update to 4.0.0-9.37.21
libvirt-libs - update to 4.0.0-9.37.21
libvirt-libs-debuginfo - update to 4.0.0-9.37.21
libvirt-lock-sanlock - update to 4.0.0-9.37.21
libvirt-lock-sanlock-debuginfo - update to 4.0.0-9.37.21
libvirt-nss - update to 4.0.0-9.37.21
libvirt-nss-debuginfo - update to 4.0.0-9.37.21
libvirt-daemon-driver-libxl - update to 4.0.0-9.37.21
libvirt-daemon-driver-libxl-debuginfo - update to 4.0.0-9.37.21
libvirt-daemon-driver-storage-rbd - update to 4.0.0-9.37.21
libvirt-daemon-driver-storage-rbd-debuginfo - update to 4.0.0-9.37.21
libvirt-daemon-xen - update to 4.0.0-9.37.21
libvirt-daemon-driver-storage-logical-debuginfo - update to 4.0.0-9.37.21
libvirt - update to 4.0.0-9.37.21
libvirt-admin - update to 4.0.0-9.37.21
libvirt-admin-debuginfo - update to 4.0.0-9.37.21
libvirt-client - update to 4.0.0-9.37.21
libvirt-client-debuginfo - update to 4.0.0-9.37.21
libvirt-daemon - update to 4.0.0-9.37.21
libvirt-daemon-config-network - update to 4.0.0-9.37.21
libvirt-daemon-config-nwfilter - update to 4.0.0-9.37.21
libvirt-daemon-debuginfo - update to 4.0.0-9.37.21
libvirt-daemon-driver-interface - update to 4.0.0-9.37.21
libvirt-daemon-driver-interface-debuginfo - update to 4.0.0-9.37.21
libvirt-daemon-driver-lxc - update to 4.0.0-9.37.21
libvirt-daemon-driver-lxc-debuginfo - update to 4.0.0-9.37.21
libvirt-daemon-driver-network - update to 4.0.0-9.37.21
libvirt-daemon-driver-network-debuginfo - update to 4.0.0-9.37.21
libvirt-daemon-driver-nodedev-debuginfo - update to 4.0.0-9.37.21
libvirt-daemon-driver-storage-mpath - update to 4.0.0-9.37.21
libvirt-daemon-driver-storage-logical - update to 4.0.0-9.37.21
libvirt-daemon-driver-storage-iscsi-debuginfo - update to 4.0.0-9.37.21
libvirt-daemon-driver-storage-iscsi - update to 4.0.0-9.37.21
libvirt-daemon-driver-storage-disk-debuginfo - update to 4.0.0-9.37.21
libvirt-daemon-driver-storage-disk - update to 4.0.0-9.37.21
libvirt-daemon-driver-storage-core-debuginfo - update to 4.0.0-9.37.21
libvirt-daemon-driver-storage-core - update to 4.0.0-9.37.21
libvirt-daemon-driver-secret-debuginfo - update to 4.0.0-9.37.21
libvirt-daemon-driver-secret - update to 4.0.0-9.37.21
libvirt-daemon-driver-qemu-debuginfo - update to 4.0.0-9.37.21
libvirt-daemon-driver-qemu - update to 4.0.0-9.37.21
libvirt-daemon-driver-nwfilter-debuginfo - update to 4.0.0-9.37.21
libvirt-daemon-driver-nwfilter - update to 4.0.0-9.37.21
libvirt-daemon-driver-nodedev - update to 4.0.0-9.37.21
libqt5-qtmultimedia-private-headers-devel - update to 5.9.7-7.2.1
libqt5-qtmultimedia-devel - update to 5.9.7-7.2.1
libqt5-qtmultimedia-debugsource - update to 5.9.7-7.2.1
libQt5Multimedia5-debuginfo - update to 5.9.7-7.2.1
libQt5Multimedia5 - update to 5.9.7-7.2.1

• https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26421.json
• https://gitlab.com/wireshark/wireshark/-/issues/16958
• https://www.wireshark.org/security/wnpa-sec-2020-17.html

• Out-of-bounds read in Wireshark
• Out-of-bounds read in wireshark (Alpine package)
• Gentoo update for Wireshark
• SUSE update for wireshark
• SUSE update for wireshark
• Fedora 32 update for wireshark
• Fedora 33 update for wireshark