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wnpa-sec-2023-24 · BT SDP dissector infinite loop

Summary

Name: BT SDP dissector infinite loop

Docid: wnpa-sec-2023-24

Date: August 23, 2023

Affected versions: 4.0.0 to 4.0.7, 3.6.0 to 3.6.15

Fixed versions: 4.0.8, 3.6.16

References:

Wireshark issue 19258.

Details

Description

The Bluetooth SDP dissector could go into an infinite loop. Discovered by Chenyuan Mi.

Impact

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

Resolution

Upgrade to Wireshark 4.0.8, 3.6.16 or later.