Infinite loop in Wireshark - CVE-2018-14341

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Main Vulnerability Database Vulnerabilities #VU14111

Infinite loop in Wireshark - CVE-2018-14341

Published: July 30, 2018


Vulnerability identifier: #VU14111
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-2018-14341
CWE-ID: CWE-835
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 due to an infinite loop when handling malicious input. A remote attacker can inject a malformed packet onto the wire or trick the victim into reading a malformed packet trace file, consume excessive CPU resources and cause the DICOM dissector to crash.


Affected software

Wireshark
wireshark (Red Hat package)
wireshark (Alpine package)
wireshark
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Opensuse
Fedora

How to mitigate CVE-2018-14341

The vulnerability is addressed in the versions 2.6.2, 2.4.8, 2.2.16

Wireshark - addressed in versions 2.2.16, 2.4.8, 2.6.2
wireshark (Red Hat package) - update to 1.10.14-24.el7
wireshark (Alpine package) - addressed in versions 2.4.8-r0, 2.6.2-r0
wireshark - addressed in versions 2.6.2-1.fc27, 2.6.2-1.fc28

External References

Related Security Bulletins