CVE-2023-2856
MEDIUMCVSS 6.5/10EPSS 1.79%
Last modified
CVE-2023-2856 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. VMS TCPIPtrace file parser crash in Wireshark 4.0.0 to 4.0.5 and 3.6.0 to 3.6.13 allows denial of service via crafted capture file. EPSS estimates a 1.79% chance of exploitation in the next 30 days.
Description
VMS TCPIPtrace file parser crash in Wireshark 4.0.0 to 4.0.5 and 3.6.0 to 3.6.13 allows denial of service via crafted capture file
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wireshark | Wireshark | >= 3.6.0, < 3.6.14 |
| Wireshark | Wireshark | >= 4.0.0, < 4.0.6 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 12.0 |
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2856.jsonThird Party Advisory
- https://gitlab.com/wireshark/wireshark/-/issues/19083Exploit, Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/06/msg00004.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202309-02Third Party Advisory
- https://www.debian.org/security/2023/dsa-5429Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2023-16.htmlVendor Advisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2856.jsonThird Party Advisory
- https://gitlab.com/wireshark/wireshark/-/issues/19083Exploit, Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/06/msg00004.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202309-02Third Party Advisory
- https://www.debian.org/security/2023/dsa-5429Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2023-16.htmlVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-2856?
VMS TCPIPtrace file parser crash in Wireshark 4.0.0 to 4.0.5 and 3.6.0 to 3.6.13 allows denial of service via crafted capture file
How severe is CVE-2023-2856?
CVE-2023-2856 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.79% probability of exploitation in the next 30 days.
How do I fix CVE-2023-2856?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2023-2856?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST