wnpa-sec-2018-37 · ASN.1 BER and related dissectors crash.

Summary

Name: ASN.1 BER and related dissectors crash.

Docid: wnpa-sec-2018-37

Date: July 18, 2018

Affected versions: 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, 2.2.0 to 2.2.15

Fixed versions: 2.6.2, 2.4.8, 2.2.16

References:
Wireshark issue 14682
CVE-2018-14343

Details

Description

The ASN.1 BER dissector could crash. Discovered by the OSS-Fuzz project.

Impact

It may be possible to make Wireshark crash by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet trace file.

Resolution

Upgrade to Wireshark 2.6.2, 2.4.8, 2.2.16 or later.