Crash in the Gryphon dissector in Wireshark 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file
Weakness
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Wireshark | Wireshark | 3.4.0 (including) | 3.4.10 (including) |
| Wireshark | Ubuntu | esm-apps/focal | * |
| Wireshark | Ubuntu | focal | * |
| Wireshark | Ubuntu | hirsute | * |
| Wireshark | Ubuntu | impish | * |
| Wireshark | Ubuntu | kinetic | * |
| Wireshark | Ubuntu | lunar | * |
| Wireshark | Ubuntu | mantic | * |
| Wireshark | Ubuntu | trusty | * |
| Wireshark | Ubuntu | trusty/esm | * |
| Wireshark | Ubuntu | upstream | * |
| Wireshark | Ubuntu | xenial | * |
Potential Mitigations
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4186.json
- https://gitlab.com/wireshark/wireshark/-/issues/17737
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2EY2VFBU3YGGWI5BW4XKT3F37MYGEQUD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/
- https://security.gentoo.org/glsa/202210-04
- https://www.wireshark.org/security/wnpa-sec-2021-16.html
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4186.json
- https://gitlab.com/wireshark/wireshark/-/issues/17737
- https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2EY2VFBU3YGGWI5BW4XKT3F37MYGEQUD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/
- https://security.gentoo.org/glsa/202210-04
- https://www.wireshark.org/security/wnpa-sec-2021-16.html