CVE-2023-4512

Public Exploit
Uncontrolled Recursion in Wireshark

Description

CBOR dissector crash in Wireshark 4.0.0 to 4.0.6 allows denial of service via packet injection or crafted capture file

Remediation

Solution:

  • Upgrade to version 4.0.8 or above.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Vendor Advisory wireshark.org
Affected: Wireshark Foundation Wireshark
Published at:
Updated at:

References

Link Tags
https://www.wireshark.org/security/wnpa-sec-2023-23.html vendor advisory issue tracking
https://gitlab.com/wireshark/wireshark/-/issues/19144 patch issue tracking exploit
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6HCUPLDY7HLPO46PHMGIJSUBJFTT237C/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L4AVRUYSHDNEAJILVSGY5W6MPOMG2YRF/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TRKHFQPWFU7F3OXTL6IEIQSJG6FVXZTZ/

Frequently Asked Questions

What is the severity of CVE-2023-4512?
CVE-2023-4512 has been scored as a medium severity vulnerability.
How to fix CVE-2023-4512?
To fix CVE-2023-4512: Upgrade to version 4.0.8 or above.
Is CVE-2023-4512 being actively exploited in the wild?
It is possible that CVE-2023-4512 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-4512?
CVE-2023-4512 affects Wireshark Foundation Wireshark.
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