In Wireshark 3.0.x before 3.0.8, the BT ATT dissector could crash. This was addressed in epan/dissectors/packet-btatt.c by validating opcodes.
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 | 3.0.0 (including) | 3.0.8 (excluding) |
| 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 | upstream | * |
| Wireshark | Ubuntu | xenial | * |
Potential Mitigations
References
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16258
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=01f261de41f4dd3233ef578e5c0ffb9c25c7d14d
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
- https://www.wireshark.org/security/wnpa-sec-2020-02.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16258
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=01f261de41f4dd3233ef578e5c0ffb9c25c7d14d
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
- https://www.wireshark.org/security/wnpa-sec-2020-02.html