Vulnerability: Unauthorized Access to Graphical Sessions in SDDM

CVE-2018-14345 · MEDIUM Severity

AV:N/AC:M/AU:S/C:P/I:P/A:P

An issue was discovered in SDDM through 0.17.0. If configured with ReuseSession=true, the password is not checked for users with an already existing session. Any user with access to the system D-Bus can therefore unlock any graphical session. This is related to daemon/Display.cpp and helper/backend/PamBackend.cpp.

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