7.9
HIGH
CVE-2023-38994
Univention Directory Manager LDAP Password Exposure Vulnerability
Description

The 'check_univention_joinstatus' prometheus monitoring script (and other scripts) in UCS 5.0-5 revealed the LDAP plaintext password of the machine account in the process list allowing attackers with local ssh access to gain higher privileges and perform followup attacks. By default, the configuration of UCS does not allow local ssh access for regular users.

INFO

Published Date :

Oct. 31, 2023, 12:15 p.m.

Last Modified :

Jan. 31, 2024, 2:48 p.m.

Remotely Exploitable :

No

Impact Score :

5.8

Exploitability Score :

1.5
Affected Products

The following products are affected by CVE-2023-38994 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Univention univention_corporate_server
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-38994.

URL Resource
https://forge.univention.org/bugzilla/show_bug.cgi?id=56324 Issue Tracking Vendor Advisory
https://forge.univention.org/bugzilla/show_bug.cgi?id=56324#c0 Issue Tracking Vendor Advisory
https://www.drive-byte.de/en/blog/simple-yet-effective-the-story-of-some-simple-bugs-that-led-to-the-complete-compromise-of-a-network Exploit Technical Description Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-38994 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-38994 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Jan. 31, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Nov. 13, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://forge.univention.org/bugzilla/show_bug.cgi?id=56324 No Types Assigned https://forge.univention.org/bugzilla/show_bug.cgi?id=56324 Issue Tracking, Vendor Advisory
    Changed Reference Type https://forge.univention.org/bugzilla/show_bug.cgi?id=56324#c0 No Types Assigned https://forge.univention.org/bugzilla/show_bug.cgi?id=56324#c0 Issue Tracking, Vendor Advisory
    Changed Reference Type https://www.drive-byte.de/en/blog/simple-yet-effective-the-story-of-some-simple-bugs-that-led-to-the-complete-compromise-of-a-network No Types Assigned https://www.drive-byte.de/en/blog/simple-yet-effective-the-story-of-some-simple-bugs-that-led-to-the-complete-compromise-of-a-network Exploit, Technical Description, Third Party Advisory
    Added CWE NIST CWE-668
    Added CPE Configuration OR *cpe:2.3:o:univention:univention_corporate_server:5.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Nov. 08, 2023

    Action Type Old Value New Value
    Changed Description An issue in Univention UCS v.5.0 allows a local attacker to execute arbitrary code and gain privileges via the check_univention_joinstatus function. The 'check_univention_joinstatus' prometheus monitoring script (and other scripts) in UCS 5.0-5 revealed the LDAP plaintext password of the machine account in the process list allowing attackers with local ssh access to gain higher privileges and perform followup attacks. By default, the configuration of UCS does not allow local ssh access for regular users.
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-38994 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-38994 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.05701

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability