wnpa-sec-2018-36 · Multiple dissectors could crash

Summary

Name: Multiple dissectors could crash

Docid: wnpa-sec-2018-36

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 bug 14675
CVE-2018-14340

Details

Description

Dissectors that support zlib decompression 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.

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