Denial of Service Vulnerability in Wireshark by The Sysdig Event Dissector
CVE-2021-4181

7.5HIGH

Key Information:

Vendor
Wireshark
Status
Vendor
CVE Published:
30 December 2021

Summary

A vulnerability in the Sysdig Event dissector in Wireshark versions 3.6.0 and 3.4.0 through 3.4.10 enables attackers to cause a denial of service. This can be achieved through malicious packet injection or by using specially crafted capture files, potentially disrupting normal operations and access to critical network analysis tools.

Affected Version(s)

Wireshark =3.6.0 = 3.6.0

Wireshark >=3.4.0, <3.4.10 < 3.4.0, 3.4.10

References

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Leonardo Grasso, Jason Dellaluce, and Federico Di Pierro
.