CVE-2022-0582: Null Pointer Dereference

Published Feb 14, 2022
·
Updated

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

Affected Software

6 affected components
Wireshark Wireshark>=3.4.0<3.4.12
Wireshark Wireshark=3.6.0
Wireshark Wireshark=3.6.1
Fedoraproject Fedora=34
Fedoraproject Fedora=35
Debian Debian Linux=9.0

Event History

Feb 14, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·10:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is CVE-2022-0582?

CVE-2022-0582 is a vulnerability in the CSN.1 protocol dissector in Wireshark 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 that allows denial of service via packet injection or crafted capture file.

2

How does CVE-2022-0582 affect Wireshark?

CVE-2022-0582 affects Wireshark versions 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11.

3

What is the severity of CVE-2022-0582?

CVE-2022-0582 is rated as critical with a severity score of 9.8.

4

How can CVE-2022-0582 be exploited?

CVE-2022-0582 can be exploited through packet injection or by using a crafted capture file.

5

Are there any references for CVE-2022-0582?

Yes, here are some references for CVE-2022-0582: [link 1](https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-0582.json), [link 2](https://gitlab.com/wireshark/wireshark/-/issues/17882), [link 3](https://lists.debian.org/debian-lts-announce/2022/03/msg00041.html).

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