Vulnerability Monitor

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CVE-2017-7884

In Adam Kropelin adk0212 APC UPS Daemon through 3.14.14, the default installation of APCUPSD allows a local authenticated, but unprivileged, user to run arbitrary code with elevated privileges by replacing the service executable apcupsd.exe with a malicious executable that will run with SYSTEM privileges at startup. This occurs because of "RW NT AUTHORITY\Authenticated Users" permissions for %SYSTEMDRIVE%\apcupsd\bin\apcupsd.exe.

Published

2017-06-16T13:29:00.187

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 8.4 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Primary
CWE-427

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	apcupsd	apc_ups_daemon	≤ 3.14.14	Yes

References

http://seclists.org/fulldisclosure/2017/Jun/20 Mailing List, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/99092 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1038707 ([email protected])
http://seclists.org/fulldisclosure/2017/Jun/20 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/99092 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1038707 (af854a3a-2127-422b-91ae-364da2661108)