Rémi Denis-Courmont has reported a vulnerability in D-Bus, which can be exploited by malicious, local users to cause a DoS (Denial of Service).
The vulnerability is caused due to an error when processing messages containing nested variants, which can be exploited to cause a stack overflow and e.g. crash the D-Bus daemon by sending a D-Bus message containing a large number of nested variants.
The vulnerability is reported in version 1.4.0. Other versions may also be affected.
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Subject: D-Bus Message Validation Nested Variants Denial of Service
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