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cveMitreCVE-2017-7884
HistoryJun 16, 2017 - 1:29 p.m.

CVE-2017-7884

2017-06-1613:29:00
CWE-427
mitre
web.nvd.nist.gov
34
apcupsd
arbitrary code execution
privilege escalation
vulnerability
nvd
cve-2017-7884

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

8.4

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

8.2

Confidence

High

EPSS

0.001

Percentile

40.3%

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.

Affected configurations

Nvd
Node
apcupsdapc_ups_daemonRange3.14.14
VendorProductVersionCPE
apcupsdapc_ups_daemon*cpe:2.3:a:apcupsd:apc_ups_daemon:*:*:*:*:*:*:*:*

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

8.4

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

8.2

Confidence

High

EPSS

0.001

Percentile

40.3%