Buffer over-read in Wireshark - CVE-2017-13765

Vulnerability identifier: #VU8075

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-2017-13765

CWE-ID: CWE-126

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 buffer over-read in the IrCOMM 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-2017-41.html

• Multiple vulnerabilities in Wireshark
• Buffer over-read in wireshark (Alpine package)
• Buffer over-read in firefox-esr (Alpine package)
• Fedora 27 update for wireshark