Memory corruption in Wireshark - CVE-2018-7419
Published: February 27, 2018
Vulnerability identifier: #VU10766
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-2018-7419
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to boundary error in epan/dissectors/asn1/nbap/nbap.cnf when DCH ID initialization. A remote attacker can cause the NBAP dissector to crash.
Affected software
Wireshark
Debian Linux
Fedora
wireshark (Alpine package)
wireshark
Debian Linux
Fedora
wireshark (Alpine package)
wireshark
How to mitigate CVE-2018-7419
Update to version 2.2.13, 2.4.5.
wireshark (Alpine package) - update to 2.2.15-r0
wireshark - addressed in versions 2.4.5-1.fc27, 2.4.5-1.fc28, 2.4.5-2.fc27, 2.4.5-2.fc28, 2.4.5-3.fc27, 2.4.5-3.fc28
wireshark - addressed in versions 2.4.5-1.fc27, 2.4.5-1.fc28, 2.4.5-2.fc27, 2.4.5-2.fc28, 2.4.5-3.fc27, 2.4.5-3.fc28