CVE-2021-22207: Excessive memory consumption in MS-WSP dissector in Wireshark 3.4.0 to 3.4.4 and 3.2.0 to 3.2.12 allows denial of service via packet injection or crafted capture file

Medium severity · published Apr 23, 2021

CVE-2021-22207

Excessive memory consumption in MS-WSP dissector in Wireshark 3.4.0 to 3.4.4 and 3.2.0 to 3.2.12 allows denial of service via packet injection or crafted capture file

6.5

CVSS

EPSS

On KEV

CVSS vector

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

Attack vector

Network

Complexity

Low

Privileges

Low

User interaction

None

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)2.0% · higher than 81% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Debian Linux · Debian

9.0; 10.0; 11.0 · source: NVD

Fedora · Fedoraproject

33; 34 · source: NVD

Wireshark · Wireshark

3.2.0 through 3.2.12; 3.4.0 through 3.4.4 · source: NVD

Zfs Storage Appliance Kit · Oracle

8.8 · source: NVD

Affected product

Debian Linux

Debian

All Debian Linux CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2021-22207

CVE.org

https://www.cve.org/CVERecord?id=CVE-2021-22207

Third Party Advisory

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22207.json

Exploit

https://gitlab.com/wireshark/wireshark/-/issues/17331

Mailing List

https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GIWWO27HV4HUKXV6NH6ULHCRAQB26DMD/

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NL7ZTMMWIEPHHFK3ONRKATWE7CLIGLFD/

Third Party Advisory

https://security.gentoo.org/glsa/202107-21