Infinite loop in Wireshark - CVE-2017-13767

Vulnerability identifier: #VU8072

CSH Severity: Low

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-2017-13767

CWE-ID: CWE-835

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to infinite loop in the MSDP dissector. A remote attacker can inject a malformed packet onto the wire, trigger Wireshark to consume excessive CPU resources and cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

Wireshark
wireshark (Alpine package)
firefox-esr (Alpine package)
wireshark
Fedora

The vulnerability is addressed in the following versions: 2.0.15, 2.2.9 or 2.4.1.

wireshark (Alpine package) - update to 2.0.16-r0
wireshark - update to 2.4.2-1.fc27

• https://www.wireshark.org/security/wnpa-sec-2017-38.html

• Multiple vulnerabilities in Wireshark
• Infinite loop in wireshark (Alpine package)
• Infinite loop in firefox-esr (Alpine package)
• Fedora 27 update for wireshark