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Public proof of conceptFix available

CVE-2023-2906

A public proof of concept exists; no exploitation attested.

  • Published2023-08-25
  • WeaknessCWE-369

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Due to a failure in validating the length provided by an attacker-crafted CP2179 packet, Wireshark versions 2.0.0 through 4.0.7 is susceptible to a divide by zero allowing for a denial of service attack.

Timeline

dates in UTC
  1. 2023-08-2521:15CVE publishedNVD

Versions per branch

NVD
Wireshark
BranchAffectedFixed in
4.0≥ 2.0.0, ≤ 4.0.7no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As AHA, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Wireshark Foundation Wiresharkother versions: not affected
    Affected
    • ≥ 2.0.0, ≤ 4.0.7no fix statedsemver

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2023-09-15

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • wiresharkUbuntu:Pro:22.04:LTSall versions · no fixed version listed
  • wiresharkUbuntu:Pro:20.04:LTSall versions · no fixed version listed
  • wiresharkTuxCare:AlmaLinux:9.6all versions · fixed in 1:3.4.10-7.el9_6.tuxcare.els4and 2 other packages
  • wiresharkTuxCare:AlmaLinux:9.2all versions · fixed in 1:3.4.10-4.el9.tuxcare.els1and 2 other packages
  • wiresharkSUSE:Manager Server 4.2all versions · fixed in 3.6.16-150000.3.100.1
  • wiresharkSUSE:Manager Proxy 4.2all versions · fixed in 3.6.16-150000.3.100.1
  • wiresharkSUSE:Linux Enterprise Module for Desktop Applications 15 SP5all versions · fixed in 3.6.16-150000.3.100.1
  • wiresharkSUSE:Linux Enterprise Module for Desktop Applications 15 SP4all versions · fixed in 3.6.16-150000.3.100.1

17 more package ranges on OSV.dev

Vendor advisories

  • CVE-2023-2906 Red Hat Product Security16 known affected

    wireshark: possible Denial of Service via crafted package

    wireshark as a component of Red Hat Enterprise Linux 6 · wireshark-devel as a component of Red Hat Enterprise Linux 6 · wireshark-gnome as a component of Red Hat Enterprise Linux 6 · +13 more

Full record on NVD

Fix

  1. Workaround from the vendor Red Hat Product Security CVE-2023-2906 · 16 productsMitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
  2. No fix available, says the vendor Red Hat Product Security CVE-2023-2906 · 4 productsAffected
  3. No fix planned, says the vendor Red Hat Product Security CVE-2023-2906 · 12 productsWill not fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published
2023-08-25
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-hhx4-xmf9-97g5

Frequently asked questions

What is CVE-2023-2906?

Due to a failure in validating the length provided by an attacker-crafted CP2179 packet, Wireshark versions 2.0.0 through 4.0.7 is susceptible to a divide by zero allowing for a denial of service attack.

Is CVE-2023-2906 actively exploited?

A proof-of-concept exploit exists for CVE-2023-2906, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2023-2906?

CVE-2023-2906 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

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Sources for this record