High severity · published Nov 19, 2021
CVE-2021-39929
Uncontrolled Recursion 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
7.5
CVSS
3.8%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.8% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WI
Wireshark · Wireshark Foundation
>=3.4.0, <3.4.10; >=3.2.0, <3.2.18 · source: vendor, NVD
DL
Debian Linux · Debian
9.0; 10.0; 11.0 · source: NVD
FE
Fedora · Fedoraproject
34; 35 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-39929
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-39929
Third Party Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39929.json
Exploit
https://gitlab.com/wireshark/wireshark/-/issues/17651
Mailing List
https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A6AJFIYIHS3TYDD2EBYBJ5KKE52X34BJ/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YEWTIRMC2MFQBZ2O5M4CJHJM4JPBHLXH/
Third Party Advisory
https://security.gentoo.org/glsa/202210-04
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