CVE-2021-22173
First published: Wed Feb 17 2021(Updated: )
Memory leak in USB HID dissector in Wireshark 3.4.0 to 3.4.2 allows denial of service via packet injection or crafted capture file
Credit: cve@gitlab.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Wireshark Wireshark | >=3.4.0<3.4.3 | |
| Fedoraproject Fedora | =32 | |
| Fedoraproject Fedora | =33 | |
| Oracle ZFS Storage Appliance | =8.8 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22173.json
- https://gitlab.com/wireshark/wireshark/-/issues/17124
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GND3PIQC3KZALR227V4YUMPKJBA5BZG4/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NYXLKQJ3D632XSG6VO7M4YFDAG6GRCLY/
- https://security.gentoo.org/glsa/202107-21
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.wireshark.org/security/wnpa-sec-2021-01.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GND3PIQC3KZALR227V4YUMPKJBA5BZG4/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NYXLKQJ3D632XSG6VO7M4YFDAG6GRCLY/
Frequently Asked Questions
What is CVE-2021-22173?
CVE-2021-22173 is a memory leak vulnerability in the USB HID dissector in Wireshark 3.4.0 to 3.4.2.
How can this vulnerability be exploited?
This vulnerability can be exploited through packet injection or a crafted capture file.
What is the severity of CVE-2021-22173?
The severity of CVE-2021-22173 is high, with a CVSS score of 7.5.
Which software versions are affected by CVE-2021-22173?
Wireshark versions 3.4.0 to 3.4.2 and Fedora versions 32 and 33 are affected by CVE-2021-22173. Oracle ZFS Storage Appliance version 8.8 is also affected.
How can I fix CVE-2021-22173?
To fix CVE-2021-22173, update to Wireshark version 3.4.3 or later. For Fedora and Oracle ZFS Storage Appliance, follow the vendor's recommendations for patching or upgrading.
- collector/nvd-index
- agent/author
- agent/references
- agent/severity
- agent/weakness
- agent/description
- agent/type
- agent/event
- agent/first-publish-date
- agent/softwarecombine
- agent/last-modified-date
- agent/remedy
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/wireshark
- canonical/wireshark wireshark
- version/wireshark wireshark/3.4.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/32
- version/fedoraproject fedora/33
- vendor/oracle
- canonical/oracle zfs storage appliance
- version/oracle zfs storage appliance/8.8