Out-of-bounds read in Wireshark - CVE-2017-9348

Vulnerability identifier: #VU6910

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-2017-9348

CWE-ID: CWE-125

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 out-of-bounds read in the DOF dissector when validating a size value. A remote attacker can inject a malformed packet epan/dissectors/packet-dof.c onto the wire or persuade the target user to read a malformed packet trace file and cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

Wireshark
Arch Linux
Fedora
wireshark (Alpine package)
wireshark

Update to version 2.2.7 or later.

wireshark (Alpine package) - update to 2.0.13-r0
wireshark - update to 2.2.7-1.fc26

• https://www.wireshark.org/security/wnpa-sec-2017-23.html

• Multiple vulnerabilities in Wireshark
• Arch Linux update for wireshark-cli
• Out-of-bounds read in wireshark (Alpine package)
• Fedora 26 update for wireshark