CVE-2021-22207
First published: Fri Apr 23 2021(Updated: )
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
Credit: cve@gitlab.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/wireshark | 2.6.20-0+deb10u4 2.6.20-0+deb10u7 3.4.10-0+deb11u1 4.0.6-1~deb12u1 4.0.10-1 | |
| Wireshark Wireshark | >=3.2.0<=3.2.12 | |
| Wireshark Wireshark | >=3.4.0<=3.4.4 | |
| Fedoraproject Fedora | =33 | |
| Fedoraproject Fedora | =34 | |
| Oracle ZFS Storage Appliance Kit | =8.8 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| Debian Debian Linux | =11.0 |
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Reference Links
- https://gitlab.com/wireshark/wireshark/-/issues/17331
- https://gitlab.com/wireshark/wireshark/-/commit/b7a0650e061b5418ab4a8f72c6e4b00317aff623
- https://www.wireshark.org/security/wnpa-sec-2021-04.html
- https://security-tracker.debian.org/tracker/CVE-2021-22207
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22207.json
- https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GIWWO27HV4HUKXV6NH6ULHCRAQB26DMD/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NL7ZTMMWIEPHHFK3ONRKATWE7CLIGLFD/
- https://security.gentoo.org/glsa/202107-21
- https://www.debian.org/security/2021/dsa-5019
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NL7ZTMMWIEPHHFK3ONRKATWE7CLIGLFD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GIWWO27HV4HUKXV6NH6ULHCRAQB26DMD/
Frequently Asked Questions
What is CVE-2021-22207?
CVE-2021-22207 is a vulnerability in Wireshark that allows denial of service through excessive memory consumption.
Which versions of Wireshark are affected by CVE-2021-22207?
Wireshark versions 3.4.0 to 3.4.4 and 3.2.0 to 3.2.12 are affected by CVE-2021-22207.
What is the severity of CVE-2021-22207?
CVE-2021-22207 has a severity rating of 6.5 (medium).
How can CVE-2021-22207 be exploited?
CVE-2021-22207 can be exploited through packet injection or a crafted capture file.
Is there a fix for CVE-2021-22207?
Yes, upgrading to Wireshark version 4.0.10 or applying the recommended patches for affected versions resolves CVE-2021-22207.
- collector/security-tracker-debian
- collector/nvd-index
- agent/references
- agent/severity
- agent/author
- agent/type
- agent/weakness
- agent/event
- agent/description
- agent/remedy
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- agent/tags
- collector/mitre-cve
- source/MITRE
- package-manager/debian
- vendor/wireshark
- canonical/wireshark wireshark
- version/wireshark wireshark/3.2.0
- version/wireshark wireshark/3.2.12
- version/wireshark wireshark/3.4.0
- version/wireshark wireshark/3.4.4
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/33
- version/fedoraproject fedora/34
- vendor/oracle
- canonical/oracle zfs storage appliance kit
- version/oracle zfs storage appliance kit/8.8
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- version/debian debian linux/10.0
- version/debian debian linux/11.0