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Privilege escalation in set-user-alarm via LD_PRELOAD #20

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helmutg opened this issue Jan 13, 2023 · 0 comments
Open

Privilege escalation in set-user-alarm via LD_PRELOAD #20

helmutg opened this issue Jan 13, 2023 · 0 comments

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@helmutg
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helmutg commented Jan 13, 2023

While set-user-alarm is protected from LD_PRELOAD itself, it does not sanitize this variable before executing systemctl as such a malicious user should be able to take control of the systemctl invocation.
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