Infinite loop in Wireshark - CVE-2017-9349

 

Infinite loop in Wireshark - CVE-2017-9349

Published: June 6, 2017


Vulnerability identifier: #VU6911
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-9349
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 infinite loop in the DICOM dissector when validating a length value. A remote attacker can inject a malformed packet epan/dissectors/packet-dcm.c onto the wire or persuade the target user to read a malformed packet trace file and cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

Affected software

Wireshark
Arch Linux
Fedora
wireshark (Alpine package)
wireshark

How to mitigate CVE-2017-9349

Update to version 2.0.13, 2.2.7 or later.

wireshark (Alpine package) - update to 2.0.13-r0
wireshark - update to 2.2.7-1.fc26

External References

Related Security Bulletins