CVE-2016-4077
Publication date 25 April 2016
Last updated 25 August 2025
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| wireshark | 18.04 LTS bionic |
Fixed 2.6.3-1~ubuntu18.04.1
|
| 16.04 LTS xenial |
Fixed 2.6.3-1~ubuntu16.04.1
|
|
| 14.04 LTS trusty |
Fixed 2.6.3-1~ubuntu14.04.1
|
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
5.9 · Medium
|
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
Other references
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=c5b2c1e8f40cee913bd70fcc00284483b3c92fcd
- https://code.google.com/p/google-security-research/issues/detail?id=651
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11799
- http://www.wireshark.org/security/wnpa-sec-2016-20.html
- https://www.cve.org/CVERecord?id=CVE-2016-4077