CVE-2021-22235
First published: Tue Jul 20 2021(Updated: )
Crash in DNP dissector in Wireshark 3.4.0 to 3.4.6 and 3.2.0 to 3.2.14 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<3.2.15 | |
| Wireshark Wireshark | >=3.4.0<3.4.7 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| Debian Debian Linux | =11.0 |
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Reference Links
- https://www.wireshark.org/security/wnpa-sec-2021-06.html
- https://gitlab.com/wireshark/wireshark/-/issues/17462
- https://gitlab.com/wireshark/wireshark/-/merge_requests/3616
- https://security-tracker.debian.org/tracker/CVE-2021-22235
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22235.json
- https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html
- https://security.gentoo.org/glsa/202210-04
- https://www.debian.org/security/2021/dsa-5019
- https://www.wireshark.org/security/wnpa-sec-2021-05.html
Frequently Asked Questions
What is CVE-2021-22235?
CVE-2021-22235 is a vulnerability in Wireshark 3.4.0 to 3.4.6 and 3.2.0 to 3.2.14 that allows denial of service via packet injection or a crafted capture file.
How can the CVE-2021-22235 vulnerability impact my system?
The CVE-2021-22235 vulnerability can result in a crash in the DNP dissector in Wireshark, leading to a denial of service.
What is the severity of CVE-2021-22235?
The severity of CVE-2021-22235 is high with a severity value of 7.5.
Which versions of Wireshark are affected by CVE-2021-22235?
Wireshark versions 3.4.0 to 3.4.6 and 3.2.0 to 3.2.14 are affected by CVE-2021-22235.
How do I mitigate the CVE-2021-22235 vulnerability?
To mitigate the CVE-2021-22235 vulnerability, update Wireshark to version 3.4.10-0+deb11u1, 4.0.6-1~deb12u1, or 4.0.10-1.
- collector/security-tracker-debian
- collector/nvd-index
- agent/severity
- agent/references
- agent/author
- agent/weakness
- agent/event
- agent/type
- agent/description
- 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/3.4.0
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- version/debian debian linux/10.0
- version/debian debian linux/11.0