4.7 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:N/I:N/A:C
0.0004 Low
EPSS
Percentile
10.4%
Apache httpd 1.3.37, 2.0.59, and 2.2.4 with the Prefork MPM module, allows
local users to cause a denial of service by modifying the worker_score and
process_score arrays to reference an arbitrary process ID, which is sent a
SIGUSR1 signal from the master process, aka βSIGUSR1 killer.β