In Wireshark 3.0.0 to 3.0.6 and 2.6.0 to 2.6.12, the CMS dissector could crash. This was addressed in epan/dissectors/asn1/cms/packet-cms-template.c by ensuring that an object identifier is set to NULL after a ContentInfo dissection.
Weakness
The product does not initialize a critical resource.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Wireshark | Wireshark | 2.6.0 (including) | 2.6.12 (including) |
| Wireshark | Wireshark | 3.0.0 (including) | 3.0.6 (including) |
| Wireshark | Ubuntu | bionic | * |
| Wireshark | Ubuntu | disco | * |
| Wireshark | Ubuntu | eoan | * |
| Wireshark | Ubuntu | esm-apps/bionic | * |
| Wireshark | Ubuntu | esm-apps/xenial | * |
| Wireshark | Ubuntu | esm-infra-legacy/trusty | * |
| Wireshark | Ubuntu | trusty | * |
| Wireshark | Ubuntu | trusty/esm | * |
| Wireshark | Ubuntu | xenial | * |
Potential Mitigations
References
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15961
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=34d2e0d5318d0a7e9889498c721639e5cbf4ce45
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.wireshark.org/security/wnpa-sec-2019-22.html
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15961
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=34d2e0d5318d0a7e9889498c721639e5cbf4ce45
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.wireshark.org/security/wnpa-sec-2019-22.html