In Wireshark 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14, the RRC dissector and other dissectors could crash. This was addressed in epan/proto.c by avoiding a NULL pointer dereference.
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 | 2.2.0 (including) | 2.2.14 (including) |
| Wireshark | Wireshark | 2.4.0 (including) | 2.4.6 (including) |
| Wireshark | Wireshark | 2.6.0 (including) | 2.6.0 (including) |
| Wireshark | Ubuntu | artful | * |
| Wireshark | Ubuntu | bionic | * |
| 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
- http://www.securityfocus.com/bid/104308
- http://www.securitytracker.com/id/1041036
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14703
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=beaebe91b14564fb9f86f0726bab09927872721b
- https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
- https://www.wireshark.org/security/wnpa-sec-2018-33.html
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
- http://www.securityfocus.com/bid/104308
- http://www.securitytracker.com/id/1041036
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14703
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=beaebe91b14564fb9f86f0726bab09927872721b
- https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
- https://www.wireshark.org/security/wnpa-sec-2018-33.html