CVE-2024-45044
HighSummary
Bareos to oprogramowanie open source do tworzenia kopii zapasowych, archiwizacji i odzyskiwania danych. W przypadku zastosowania listy kontroli dostępu (ACL) dla poleceń, użytkownik może wykonać polecenie w bconsole za pomocą skrótu, co omija sprawdzenie ACL dla pełnej formy polecenia, co może prowadzić do nieautoryzowanego dostępu.
Risk Assessment
Organizacja może być narażona na nieautoryzowane wykonanie poleceń, które powinny być zablokowane przez ACL, co może prowadzić do ujawnienia wrażliwych informacji lub nieautoryzowanych działań w systemie.
Recommendation
Zaleca się aktualizację Bareos do wersji 23.0.4, 22.1.6 lub 21.1.11, aby załatać tę podatność. Dodatkowo, należy rozważyć stosowanie tylko pozytywnych list ACL, aby uniknąć tego problemu.
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Original NVD description (English source)
Bareos is open source software for backup, archiving, and recovery of data for operating systems. When a command ACL is in place and a user executes a command in bconsole using an abbreviation (i.e. "w" for "whoami") the ACL check did not apply to the full form (i.e. "whoami") but to the abbreviated form (i.e. "w"). If the command ACL is configured with negative ACL that should forbid using the "whoami" command, you could still use "w" or "who" as a command successfully. Fixes for the problem are shipped in Bareos versions 23.0.4, 22.1.6 and 21.1.11. If only positive command ACLs are used without any negation, the problem does not occur.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

