Input validation error in Wireshark - CVE-2020-7045

 

Input validation error in Wireshark - CVE-2020-7045

Published: January 16, 2020


Vulnerability identifier: #VU24328
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-2020-7045
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 within the BT ATT dissector. A remote attacker can send specially crafted data and crash the application.


Affected software

Wireshark
wireshark (Alpine package)

How to mitigate CVE-2020-7045

Install updates from vendor's website.

Wireshark - update to 3.0.8
wireshark (Alpine package) - update to 3.0.8-r0

External References

Related Security Bulletins