Vulnerability 144252 - CERT Civis.Net

Vulnerability Name:

CCN-144252

Published:

2018-05-31

Updated:

2018-05-31

Summary:

Microsoft Windows could allow a local authenticated attacker to bypass security restrictions, caused by a file handler hijacking vulnerability in slui.exe. By hijacking a special key in the Registry under the Current User hive, an attacker could exploit this vulnerability to bypass UAC on Windows.

CVSS v3 Severity:

5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N)
5.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:F/RL:U/RC:R)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): High Availibility (A): None

CVSS v2 Severity:

4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:C/A:N)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): Complete Availibility (A): None

Vulnerability Consequences:

Bypass Security

References:

Source: XF
Type: UNKNOWN
microsoft-sluifile-sec-bypass(144252)

Source: CCN
Type: Packet Storm Security [05-31-2018]
Windows UAC Protection Bypass (Via Slui File Handler Hijack)

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [06-04-2018]

Source: CCN
Type: Microsoft Web site
Windows 8-10

Vulnerable Configuration:

Configuration CCN 1:

cpe:/o:microsoft:windows_8:-:-:-:*:-:-:x32:*

OR cpe:/o:microsoft:windows_8:*:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_8.1:-:-:-:*:-:-:x32:*

OR cpe:/o:microsoft:windows_8.1:*:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_10:-:*:*:*:*:*:x32:*

OR cpe:/o:microsoft:windows_10:*:*:*:*:*:*:x64:*

Denotes that component is vulnerable

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