Memory leak in Wireshark - CVE-2020-9431

Vulnerability identifier: #VU25642

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-2020-9431

CWE-ID: CWE-401

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in LTE RRC dissector within "epan/dissectors/packet-lte-rrc.c". A remote attacker can pass specially crafted data to the application and perform denial of service attack.

Wireshark
Gentoo Linux
Oracle Solaris
Opensuse
openEuler
Fedora
wireshark (Alpine package)
wireshark
wireshark-debugsource
wireshark-devel
wireshark-debuginfo
wireshark-help

Install updates from vendor's website.

Wireshark - addressed in versions 2.6.15, 3.0.9, 3.2.2
wireshark (Alpine package) - update to 3.0.9-r0
wireshark - update to 2.6.2-18
wireshark-debugsource - update to 2.6.2-18
wireshark-devel - update to 2.6.2-18
wireshark-debuginfo - update to 2.6.2-18
wireshark-help - update to 2.6.2-18
wireshark - addressed in versions 3.2.2-1.fc30, 3.2.2-1.fc31, 3.2.2-1.fc32, 3.2.3-1.fc30, 3.2.3-1.fc31, 3.2.3-1.fc32

• https://www.wireshark.org/security/wnpa-sec-2020-03.html

• Multiple vulnerabilities in Wireshark
• Oracle Solaris update for third party packages
• Gentoo update for Wireshark
• OpenSUSE Linux update for wireshark
• Memory leak in wireshark (Alpine package)
• openEuler update for wireshark
• Fedora 31 update for wireshark
• Fedora 30 update for wireshark
• Fedora 32 update for wireshark
• Fedora 31 update for wireshark
• Fedora 32 update for wireshark
• Fedora 30 update for wireshark