Input validation error in Wireshark - CVE-2020-9428

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Main Vulnerability Database Vulnerabilities #VU25640

Input validation error in Wireshark - CVE-2020-9428

Published: February 27, 2020 / Updated: April 9, 2020


Vulnerability identifier: #VU25640
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-9428
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in EAP dissector within "epan/dissectors/packet-eap.c" . A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Affected software

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

How to mitigate CVE-2020-9428

Install updates from vendor's website.

Wireshark - addressed in versions 2.6.15, 3.0.9, 3.2.2
wireshark (Alpine package) - addressed in versions 3.0.9-r0, 3.2.3-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

External References

Related Security Bulletins