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.