Memory corruption in Wireshark - CVE-2018-7335
Published: February 27, 2018
Vulnerability identifier: #VU10757
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-2018-7335
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/crypt/airpdcap.c when rejecting lengths that are too small. A remote attacker can cause the IEEE 802.11 dissector to crash.
Affected software
Wireshark
Debian Linux
Fedora
wireshark (Alpine package)
wireshark
Debian Linux
Fedora
wireshark (Alpine package)
wireshark
How to mitigate CVE-2018-7335
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