Vulnerability DatabaseCVE-2023-38994
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CVE-2023-38994
October 31, 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.
Related Resources (4)
https://forge.univention.org/bugzilla/show_bug.cgi?id=56324#c0
https://forge.univention.org/bugzilla/show_bug.cgi?id=56324
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://www.drive-byte.de/en/blog/simple-yet-effective-the-story-of-some-simple-bugs-that-led-to-the-complete-compromise-of-a-network
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CVSS v4
Base Score:
9.2
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.9
Attack Complexity
LOW
Attack Vector
LOCAL
Availability
NONE
Confidentiality
HIGH
Integrity
HIGH
Privileges Required
HIGH
Scope
CHANGED
User Interaction
NONE
Weakness Type (CWE)
Exposure of Resource to Wrong Sphere
CWE-668
EPSS
Base Score:
0.03