Denial of Service Vulnerability in Wireshark by Gerald Combs
CVE-2022-0582

9.8CRITICAL

Key Information:

Vendor

Wireshark
Status
Wireshark
Vendor
CVE Published:
14 February 2022

What is CVE-2022-0582?

The recent security flaw in Wireshark's CSN.1 protocol dissector allows attackers to exploit unaligned access by injecting malicious packets or using crafted capture files. This vulnerability affects multiple versions of the software, specifically 3.4.0 to 3.4.11 and 3.6.0 to 3.6.1, and can result in a denial of service. Users should update their installations promptly to mitigate the risk.

Affected Version(s)

Wireshark >=3.6.0, <3.6.2 < 3.6.0, 3.6.2

Wireshark >=3.4.0, <3.4.12 < 3.4.0, 3.4.12

References

https://www.wireshark.org/security/wnpa-sec-2022-04.html
https://gitlab.com/wireshark/wireshark/-/issues/17882
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Sharon Brizinov
.
CVE-2022-0582 : Denial of Service Vulnerability in Wireshark by Gerald Combs