Vulnerability Details : CVE-2021-39929
Potential exploit
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
Vulnerability category: Denial of service
Products affected by CVE-2021-39929
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-39929
0.24%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 45 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-39929
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
GitLab Inc. | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-39929
-
The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-39929
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YEWTIRMC2MFQBZ2O5M4CJHJM4JPBHLXH/
[SECURITY] Fedora 34 Update: wireshark-3.6.0-1.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A6AJFIYIHS3TYDD2EBYBJ5KKE52X34BJ/
[SECURITY] Fedora 35 Update: wireshark-3.6.0-1.fc35 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://gitlab.com/wireshark/wireshark/-/issues/17651
OSS-Fuzz 39756: wireshark:fuzzshark_ip_proto-udp: Stack-overflow in dissect_bencoded_list (#17651) · Issues · Wireshark Foundation / wireshark · GitLabExploit;Issue Tracking;Patch;Third Party Advisory
-
https://security.gentoo.org/glsa/202210-04
Wireshark: Multiple Vulnerabilities (GLSA 202210-04) — Gentoo securityThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html
[SECURITY] [DLA 2849-1] wireshark security updateMailing List;Third Party Advisory
-
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39929.json
2021/CVE-2021-39929.json · master · GitLab.org / cves · GitLabThird Party Advisory
-
https://www.wireshark.org/security/wnpa-sec-2021-07.html
Wireshark · wnpa-sec-2021-07 · Bluetooth DHT dissector crashVendor Advisory
-
https://www.debian.org/security/2021/dsa-5019
Debian -- Security Information -- DSA-5019-1 wiresharkThird Party Advisory
Jump to