Описание
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.
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.
Ссылки
- https://nvd.nist.gov/vuln/detail/CVE-2023-38994
- https://forge.univention.org/bugzilla/show_bug.cgi?id=56324
- https://forge.univention.org/bugzilla/show_bug.cgi?id=56324#c0
- 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
Связанные уязвимости
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.
Уязвимость компонента check_univention_joinstatus операционной системы Univention Corporate Server (UCS), позволяющая нарушителю повысить свои привилегии