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CVE-2023-38994

Date: October 30, 2023

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.

Language: Python

Severity Score

Related Resources (6)

https://forge.univention.org/bugzilla/show_bug.cgi?id=56324
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
https://raeph123.github.io/BlogPosts/Univention/Simple_yet_effective_The_story_of_some_simple_bugs_that_led_to_the_complete_compromise_of_a_network_en.html
https://nvd.nist.gov/vuln/detail/CVE-2023-38994
https://forge.univention.org/bugzilla/show_bug.cgi?id=56324#c0
https://www.mend.io/vulnerability-database/CVE-2023-38994

Severity Score

Weakness Type (CWE)

Exposure of Resource to Wrong Sphere

CWE-668

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): NONE

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