Resource exhaustion in Wireshark - CVE-2018-11357

Vulnerability identifier: #VU13029

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2018-11357

CWE-ID: CWE-400

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 in epan/tvbuff.c due to improper validation of user-supplied input. A remote attacker can inject a malformed packet onto the wire or convince someone to read a malformed packet trace file, trigger resource exhaustion and cause the LTP dissector and other dissectors to crash.

Wireshark
Arch Linux
Opensuse
Fedora
wireshark (Alpine package)
openSUSE Leap
wireshark

The vulnerability is addressed in the following versions: 2.6.1, 2.4.7, 2.2.15.

wireshark (Alpine package) - update to 2.2.15-r0
wireshark - addressed in versions 2.6.1-1.fc27, 2.6.1-1.fc28

• https://www.wireshark.org/security/wnpa-sec-2018-28.html

• Multiple vulnerabilities in Wireshark
• Arch Linux update for wireshark-cli
• Arch Linux update for wireshark-common
• Arch Linux update for wireshark-qt
• Arch Linux update for wireshark-gtk
• OpenSUSE Linux update for wireshark
• OpenSUSE Linux update for wireshark
• Resource exhaustion in wireshark (Alpine package)
• Fedora 27 update for wireshark
• Fedora 28 update for wireshark