CVE-2021-39924 — Excessive Iteration in Wireshark

CWE-834 — Excessive IterationCWE-400 — Uncontrolled Resource Consumption7 documents7 sources
Severity
7.5HIGHNVD
EPSS
1.3%
top 19.98%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
WiresharkWireshark Foundation WiresharkDebian Linux+1 more
Timeline
PublishedNov 19
Latest updateNov 20

Description

Large loop in the Bluetooth DHT dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶Debianwireshark/wireshark< 3.4.10-0+deb11u1+3
▶NVDwireshark/wireshark3.2.0 — 3.2.17+1
▶CVEListV5wireshark_foundation/wireshark>=3.2.0, <3.2.18, >=3.4.0, <3.4.10+1

Also affects: Debian Linux 9.0, Fedora 34, 35

Patches

Patch: gitlab.com ↗Patch: gitlab.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-7qp4-qv4w-q6jm: Large loop in the Bluetooth DHT dissector in Wireshark 3↗2021-11-20
▶
CVEList
CVE-2021-39924: Large loop in the Bluetooth DHT dissector in Wireshark 3↗2021-11-19
▶
OSV
CVE-2021-39924: Large loop in the Bluetooth DHT dissector in Wireshark 3↗2021-11-19
▶

📋Vendor Advisories

3
Red Hat
wireshark: bluetooth DHT dissector large loop↗2021-11-17
▶
Microsoft
Large loop in the Bluetooth DHT dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file↗2021-11-09
▶
Debian
CVE-2021-39924: wireshark - Large loop in the Bluetooth DHT dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 ...↗2021
▶
CVE-2021-39924 — Excessive Iteration in Wireshark | cvebase