Uncontrolled recursion in Wireshark - CVE-2018-9262
Published: May 15, 2018 / Updated: May 15, 2018
Vulnerability identifier: #VU12718
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-2018-9262
CWE-ID: CWE-674
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in epan/dissectors/packet-vlan.c due to limiting VLAN tag nesting to restrict the recursion depth. A remote attacker can trick the victim into opening a specially crafted packet trace file and cause the VLAN dissector to crash.
The weakness exists in epan/dissectors/packet-vlan.c due to limiting VLAN tag nesting to restrict the recursion depth. A remote attacker can trick the victim into opening a specially crafted packet trace file and cause the VLAN dissector to crash.
Affected software
Wireshark
wireshark (Alpine package)
wireshark (Alpine package)
How to mitigate CVE-2018-9262
Update to version 2.4.6 or 2.2.14.
wireshark (Alpine package) - addressed in versions 2.2.14-r0, 2.4.6-r0