What is CVE-2019-18631?

CVE-2019-18631 is a high-severity vulnerability in Centrify Authentication Service, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2019-11-05.

How severe is CVE-2019-18631?

High severity. CVSS v3 base score is 7.8 out of 10.

Deserialization in Centrify Authentication Service

CVE-2019-18631

The Windows component of Centrify Authentication and Privilege Elevation Services 3.4.0, 3.4.1, 3.4.2, 3.4.3, 3.5.0, 3.5.1 (18.8), 3.5.2 (18.11), and 3.6.0 (19.6) does not properly handle an unspecified exception during use of partially trusted assemblies to serialize input data, which allows attackers to execute arbitrary code inside the Centrify process via (1) a crafted application that makes a pipe connection to the process and sends malicious serialized data or (2) a crafted Microsoft Management Console snap-in control file.

Vulnerability class: Insecure Deserialization

EPSS: 0.012 (64.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Centrify Authentication_service — versions 3.4.0, 3.4.1, 3.4.2
Centrify Infrastructure_services — versions 18.8, 18.11, 19.6
Centrify Privilege_elevation_service — versions 3.4.0, 3.4.1, 3.4.2
N/a — versions n/a

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

cve@mitre.org (x_refsource_CONFIRM, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2019-18631?: CVE-2019-18631 is a high-severity vulnerability in Centrify Authentication Service, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2019-11-05.
How severe is CVE-2019-18631?: High severity. CVSS v3 base score is 7.8 out of 10.