artswrapper in aRts, when running setuid root on Linux 2.6.0 or later versions, does not check the return value of the setuid function call, which allows local users to gain root privileges by causing setuid to fail, which prevents artsd from dropping privileges.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:L/AC:H/Au:S/C:C/I:C/A:C
This vulnerability has a 0.39% probability of being exploited in the next 30 days, ranking higher than 30% of all scored CVEs.
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