Immunity Canvas: UNMARSHAL_TO_SYSTEM

2018-09-0714:29:00

Immunity Canvas

exploitlist.immunityinc.com

525

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.178 Low

EPSS

Percentile

95.6%

JSON

Name	unmarshal_to_system
CVE	CVE-2018-0824 Exploit Pack
VENDOR: Microsoft
Notes:
Tested against:
---------------
Windows 7 x86 - NOT VULNERABLE
Windows Server 2016 - NOT VULNERABLE

Windows 8.1 - SUCCESSFUL EOP
Windows 10 1607 - SUCCESSFUL EOP
Windows 10 10240 - SUCCESSFUL EOP

Credits
---------------
+ Mattias Kaiser for inspiring our exploit
+ James Foreshaw of Google Project Zero for exposing the method of
forcing a COM service to demarshal an object written to an IStorage
object

IMPORTANT CEU NOTE
---------------
As of 6/29/2018 you must set the target host to the IP address of the
node on which you wish to escalate.

Repeatability: Infinite
References: [‘https://codewhitesec.blogspot.com/2018/06/cve-2018-0624.html’, ‘http://m.bianma.org/jishu/1473.html’, ‘https://bbs.pediy.com/thread-228829.htm’, ‘https://bbs.ichunqiu.com/thread-42157-1-1.html’]
CVE Url: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-0824