CVE-2018-6400
HighSummary
Podatność w Kingsoft WPS Office Free 10.2.0.5978 umożliwia lokalnym użytkownikom eskalację uprawnień lub przeprowadzenie ataku typu odmowa usługi poprzez podszywanie się pod nazwane potoki. Problem wynika z niebezpiecznego utworzenia potoku \.\pipe\WPSCloudSvr\WpsCloudSvr, który przyznaje pełny dostęp grupie Everyone.
Risk Assessment
Atakujący z dostępem lokalnym może przejąć kontrolę nad potokiem, co prowadzi do eskalacji uprawnień lub zakłócenia działania aplikacji, potencjalnie zagrażając bezpieczeństwu systemu.
Recommendation
Zaleca się aktualizację WPS Office do najnowszej wersji oraz ograniczenie uprawnień do potoku poprzez konfigurację zabezpieczeń systemowych.
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Original NVD description (English source)
Kingsoft WPS Office Free 10.2.0.5978 allows local users to gain privileges or cause a denial of service by impersonating all the pipes through a use of \\.\pipe\WPSCloudSvr\WpsCloudSvr -- an "insecurely created named pipe." Ensures full access to Everyone users group.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS