CVE-2025-23222
HighSummary
W systemie Deepin dde-api-proxy do wersji 1.0.19 odkryto problem, który pozwala nieuprzywilejowanym użytkownikom na dostęp do usług D-Bus jako root. Proxy działa jako root i przekazuje wiadomości od lokalnych użytkowników do metod D-Bus, które nie są świadome tej sytuacji.
Risk Assessment
W wyniku tej podatności, nieuprzywilejowani użytkownicy mogą uzyskać dostęp do metod, które powinny być zarezerwowane dla użytkowników z uprawnieniami root, co prowadzi do eskalacji uprawnień. W sytuacjach z użyciem Polkit, wywołujący może być traktowany jako administrator.
Recommendation
Zaleca się aktualizację do najnowszej wersji dde-api-proxy, aby zniwelować ryzyko nieautoryzowanego dostępu do usług D-Bus. Należy również rozważyć ograniczenie dostępu do D-Bus dla nieuprzywilejowanych użytkowników.
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Original NVD description (English source)
An issue was discovered in Deepin dde-api-proxy through 1.0.19 in which unprivileged users can access D-Bus services as root. Specifically, dde-api-proxy runs as root and forwards messages from arbitrary local users to legacy D-Bus methods in the actual D-Bus services, and the actual D-Bus services don't know about the proxy situation (they believe that root is asking them to do things). Consequently several proxied methods, that shouldn't be accessible to non-root users, are accessible to non-root users. In situations where Polkit is involved, the caller would be treated as admin, resulting in a similar escalation of privileges.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

