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An issue was discovered in GNOME GLib before 2.78.5, and 2.79.x and 2.80.x before 2.80.1. When a GDBus-based client subscribes to signals from a trusted system service such as NetworkManager on a shared computer, other users of the same computer can send spoofed D-Bus signals that the GDBus-based client will wrongly interpret as having been sent by the trusted system service. This could lead to the GDBus-based client behaving incorrectly, with an application-dependent impact.

🗓️ 27 Mar 2025 07:00:00Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com👁 6 Views

GLib GDBus spoofing by other users on shared systems can misinterpret signals from trusted services such as NetworkManager.

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Vulners
Node
OR
microsoftcbl2_glib_2.71.0-7Range<2.71.0-7
microsoftazl3_glib_2.78.1-5Range<2.78.6-1
microsoftcbl2_glib_2.71.0-6Range<2.71.0-7
microsoftcbl2_glib_2.71.0-5Range<2.71.0-7
microsoftazl3_glib_2.78.6-1Range<2.78.6-1

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27 Mar 2025 07:00Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.15.2
EPSS0.00756
SSVC
glib gdbussignal spoofingtrusted servicenetwork managershared system
6