CVE Details for CVE: CVE-2021-39920
Summary
NULL pointer exception in the IPPUSB dissector in Wireshark 3.4.0 to 3.4.9 allows denial of service via packet injection or crafted capture file
| Timestamps | |
|---|---|
| Last major update | 07-11-2023 - 03:37 |
| Published | 18-11-2021 - 19:15 |
| Last modified | 07-11-2023 - 03:37 |
References
- https://gitlab.com/wireshark/wireshark/-/issues/17705
- https://www.wireshark.org/security/wnpa-sec-2021-15.html
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39920.json
- https://www.debian.org/security/2021/dsa-5019
- https://security.gentoo.org/glsa/202210-04
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YEWTIRMC2MFQBZ2O5M4CJHJM4JPBHLXH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A6AJFIYIHS3TYDD2EBYBJ5KKE52X34BJ/
Vulnerable Configurations
-
cpe:2.3:a:wireshark:wireshark:3.4.0:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:3.4.0:*:*:*:*:*:*:*
-
cpe:2.3:a:wireshark:wireshark:3.4.1:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:3.4.1:*:*:*:*:*:*:*
-
cpe:2.3:a:wireshark:wireshark:3.4.2:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:3.4.2:*:*:*:*:*:*:*
-
cpe:2.3:a:wireshark:wireshark:3.4.3:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:3.4.3:*:*:*:*:*:*:*
-
cpe:2.3:a:wireshark:wireshark:3.4.4:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:3.4.4:*:*:*:*:*:*:*
-
cpe:2.3:a:wireshark:wireshark:3.4.5:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:3.4.5:*:*:*:*:*:*:*
-
cpe:2.3:a:wireshark:wireshark:3.4.6:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:3.4.6:*:*:*:*:*:*:*
-
cpe:2.3:a:wireshark:wireshark:3.4.7:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:3.4.7:*:*:*:*:*:*:*
-
cpe:2.3:a:wireshark:wireshark:3.4.8:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:3.4.8:*:*:*:*:*:*:*
-
cpe:2.3:a:wireshark:wireshark:3.4.9:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:3.4.9:*:*:*:*:*:*:*
-
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
-
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
CWE
CVSS
Base
5.0
Impact
2.9
Exploitability
10.0
Access
| Vector | Complexity | Authentication |
|---|---|---|
| NETWORK | LOW | NONE |
Impact
| Confidentiality | Integrity | Availability |
|---|---|---|
| NONE | NONE | PARTIAL |
CVSS3
Base
7.5
Impact
3.6
Exploitability
3.9
Access
| Attack Complexity | Attack vector | Privileges Required | Scope | User Interaction |
|---|---|---|---|---|
| LOW | NETWORK | NONE | UNCHANGED | NONE |
Impact
| Confidentiality | Integrity | Availability |
|---|---|---|
| NONE | NONE | HIGH |