NULL Pointer Dereference in Zeek Network Security Monitor's Kerberos Protocol Parser
CVE-2019-12175

7.5HIGH

Key Information:

Vendor

Zeek

Status
Zeek
Vendor
CVE Published:
17 July 2019

What is CVE-2019-12175?

A vulnerability exists in Zeek Network Security Monitor, where a NULL pointer dereference in the Kerberos protocol parser can lead to a denial of service (DoS) condition. This issue arises when a case-type index is mishandled, potentially allowing attackers to disrupt service by exploiting this flaw in versions before 2.6.2.

References

https://github.com/zeek/zeek/releases/tag/v2.6.2
x_refsource_CONFIRM

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

.