Null pointer dereference in Wireshark - CVE-2018-11359

 

Null pointer dereference in Wireshark - CVE-2018-11359

Published: May 29, 2018


Vulnerability identifier: #VU13031
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-2018-11359
CWE-ID: CWE-476
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/proto.c due to NULL pointer dereference. A remote attacker can inject a malformed packet onto the wire or convince someone to read a malformed packet trace file and cause the RRC dissector and other dissectors to crash.

Affected software

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

How to mitigate CVE-2018-11359

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

External References

Related Security Bulletins