CVE-2019-16319
What it is
In Wireshark 3.0.0 to 3.0.3 and 2.6.0 to 2.6.10, the Gryphon dissector could go into an infinite loop. This was addressed in plugins/epan/gryphon/packet-gryphon.c by checking for a message length of zero.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 3.8% 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: 3.8% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 3.8% · EPSS, next 30 days
- Weakness
- CWE-835
- Record status
- Modified
Affected
- Wireshark ≤ 2.6.10
- Wireshark ≤ 3.0.3
- Opensuse Leap 15.1
- Debian Linux 9.0
Attack profile CVSS 3.1 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/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-2019-16319.md and follow it. Check whether this project is affected by CVE-2019-16319. 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
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16020
- https://www.wireshark.org/security/wnpa-sec-2019-21.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16020
- https://www.wireshark.org/security/wnpa-sec-2019-21.html
References
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16020
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=02ddd49885c6a09e936a76aceb726ed06539704a
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
- https://www.wireshark.org/security/wnpa-sec-2019-21.html
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16020
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=02ddd49885c6a09e936a76aceb726ed06539704a
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
- https://www.wireshark.org/security/wnpa-sec-2019-21.html