CVE-2016-4077
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 2.0% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 2.0% in the next 30 days (EPSS).
- Severity: 5.9 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 2.0% · EPSS, next 30 days
- Record status
- Modified
Affected
- Wireshark 2.0.0
- Wireshark 2.0.1
- Wireshark 2.0.2
Attack profile CVSS 3.0 · 5.9
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2016-4077.md and follow it. Check whether this project is affected by CVE-2016-4077. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://www.wireshark.org/security/wnpa-sec-2016-20.html
- http://www.wireshark.org/security/wnpa-sec-2016-20.html
References
- http://www.securitytracker.com/id/1035685
- http://www.wireshark.org/security/wnpa-sec-2016-20.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11799
- 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
- http://www.securitytracker.com/id/1035685
- http://www.wireshark.org/security/wnpa-sec-2016-20.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11799
- 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