CVEvulnerability
CVE-2023-38994
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-10-31
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.9 HIGH — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-668
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.
Affected configurations
• univention univention corporate server 5.0
Related
Weakness · CWE (1)
- CWE-668 Exposure of Resource to Wrong Sphere weakness
Referenced by CWE · observed example (1)
- CWE-214 Invocation of Process Using Visible Sensitive Information weakness
References
- 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://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 raeph123.github.io
- 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
- 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