Description
epan/reassemble.c in TShark in Wireshark 2.0.x before 2.0.3 relies on incorrect special-case handling of truncated Tvb data structures, which allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted packet.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | wireshark | 2.0.3+geed34f0-1 | — |
| Debian 13 | wireshark | 2.0.3+geed34f0-1 | — |
| Debian 12 | wireshark | 2.0.3+geed34f0-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | wireshark | 2.6.3-1~ubuntu18.04.1 | — |
| Ubuntu 16.04 LTS | wireshark | 2.6.3-1~ubuntu16.04.1 | — |
| Ubuntu 14.04 LTS | wireshark | 2.6.3-1~ubuntu14.04.1 | — |
References
- 1035685 vdb-entry
- https://code.google.com/p/google-security-research/issues/detail?id=651
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=c5b2c1e8f40cee913bd70fcc00284483b3c92fcd
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11799
- http://www.wireshark.org/security/wnpa-sec-2016-20.html