What is CVE-2019-12175?

CVE-2019-12175 is a high-severity vulnerability in Zeek, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2019-07-17.

How severe is CVE-2019-12175?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2019-12175 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in Zeek

CVE-2019-12175

In Zeek Network Security Monitor (formerly known as Bro) before 2.6.2, a NULL pointer dereference in the Kerberos (aka KRB) protocol parser leads to DoS because a case-type index is mishandled.

EPSS: 0.014 (69.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Zeek
N/a — versions n/a

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

mxmssh/manul

References

cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory, Release Notes)

Frequently asked questions

What is CVE-2019-12175?: CVE-2019-12175 is a high-severity vulnerability in Zeek, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2019-07-17.
How severe is CVE-2019-12175?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2019-12175 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.