Nagios Core before 4.3.3 creates a nagios.lock PID file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for nagios.lock modification before a root script executes a "kill cat /pathname/nagios.lock" command.
[
{
"deprecated": false,
"id": "CVE-2017-12847-1c71215f",
"source": "https://github.com/nagiosenterprises/nagioscore/commit/1b197346d490df2e2d3b1dcce5ac6134ad0c8752",
"signature_version": "v1",
"target": {
"file": "base/nagios.c"
},
"signature_type": "Line",
"digest": {
"line_hashes": [
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],
"threshold": 0.9
}
},
{
"deprecated": false,
"id": "CVE-2017-12847-ff6f8b6d",
"source": "https://github.com/nagiosenterprises/nagioscore/commit/1b197346d490df2e2d3b1dcce5ac6134ad0c8752",
"signature_version": "v1",
"target": {
"function": "main",
"file": "base/nagios.c"
},
"signature_type": "Function",
"digest": {
"function_hash": "163218892130331372729747023081253370699",
"length": 15757.0
}
}
]