Is CVE-2022-0582 being actively exploited?

It is not currently in CISA's KEV catalog. Its EPSS exploitation probability is 2%.

What products does CVE-2022-0582 affect?

Tracked products affected include Wireshark. Check the version you run to see whether it is affected.

How do I fix CVE-2022-0582?

Apply the vendor fix in your normal patch cycle. Upgrade affected products to a fixed version.

CVE-2022-0582

Q: What is CVE-2022-0582?

CVE-2022-0582 is a medium-severity software vulnerability (CWE-476) with a CVSS score of 6.3. Unaligned access in the CSN.1 protocol dissector in Wireshark 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allows denial of service via packet injection or crafted capture file

MEDIUM severity · CVSS 6.3 · CWE-476

6.3CVSS MEDIUM

Summary

Unaligned access in the CSN.1 protocol dissector in Wireshark 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allows denial of service via packet injection or crafted capture file

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionRequired

Confidentiality impactLow

Integrity impactLow

Availability impactLow

Exploit probability (EPSS)2%

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Affected products we track (1)

Wireshark

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Additional information

NVD record
https://www.wireshark.org/security/wnpa-sec-2022-04.htmlAdvisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-0582.jsonAdvisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00041.htmlAdvisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HRJ24JRKLA6XMDKLGVTOPM5KBBU4UHLN/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V3DZD2JU56ZI4XV2B3HGVGA5PXQDNA5T/
https://security.gentoo.org/glsa/202210-04Advisory
https://gitlab.com/wireshark/wireshark/-/issues/17882Advisory