Office DLL Loading Vulnerability



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-0197
CWE-ID CWE-426
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Microsoft Office
Client/Desktop applications / Office applications

Microsoft OneNote
Client/Desktop applications / Office applications

Vendor Microsoft

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Untrusted search path

EUVDB-ID: #VU6294

Risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2017-0197

CWE-ID: CWE-426 - Untrusted Search Path

Exploit availability: No

Description


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to the way the application loads .dll libraries. A remote attacker can place a specially crafted .dll file along with WORD document on a remote SMB or WebDav share, trick the victim into opening that document and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Microsoft Office: 2007 - 2010

Microsoft OneNote: 2007 - 2010

CPE2.3 External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0197


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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