Microsoft Windows Server 2003 SP2/XP SP3 OLE olecnv32.dll access control

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows Server 2003 SP2/XP SP3. It has been classified as critical. This issue affects some unknown processing in the library olecnv32.dll of the component OLE Handler. Performing a manipulation results in access control. This vulnerability was named CVE-2017-8487. The attack may be initiated remotely. In addition, an exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Microsoft Windows Server 2003 SP2/XP SP3 (Operating System). This affects an unknown code block in the library olecnv32.dll of the component OLE Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Windows OLE in Windows XP and Windows Server 2003 allows an attacker to execute code when a victim opens a specially crafted file or program aka "Windows olecnv32.dll Remote Code Execution Vulnerability."

The bug was discovered 06/13/2017. The weakness was presented 06/13/2017 (Website). The advisory is shared at support.microsoft.com. This vulnerability is uniquely identified as CVE-2017-8487 since 05/03/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1068 for this issue.

A public exploit has been developed by Google Security Research in C and been published 2 weeks after the advisory. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 100788 (Windows 8 June 2017 Security Updates), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91388 (Microsoft Security Update for Windows XP and Windows Server 2003 Missing - June 2017 (KB4025218)).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (42211), Tenable (100788), SecurityFocus (BID 99013†) and SecurityTracker (ID 1038702†). Further details are available at support.microsoft.com. See VDB-102511 for similar entry. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Support

  • end of life (old version)

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Google Security Research
Programming Language: 🔍
Download: 🔍

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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 100788
Nessus Name: Windows 8 June 2017 Security Updates
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802136
OpenVAS Name: Microsoft Windows olecnv32.dll Remote Code Execution Vulnerability (KB4025218)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

05/03/2017 🔍
06/13/2017 +41 days 🔍
06/13/2017 +0 days 🔍
06/13/2017 +0 days 🔍
06/13/2017 +0 days 🔍
06/14/2017 +1 days 🔍
06/14/2017 +0 days 🔍
06/15/2017 +1 days 🔍
06/15/2017 +0 days 🔍
06/21/2017 +6 days 🔍
06/21/2017 +0 days 🔍
08/23/2024 +2620 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: support.microsoft.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-8487 (🔍)
GCVE (CVE): GCVE-0-2017-8487
GCVE (VulDB): GCVE-100-102513
SecurityFocus: 99013 - Microsoft Windows OLE CVE-2017-8487 Remote Code Execution Vulnerability
SecurityTracker: 1038702

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 06/14/2017 18:11
Updated: 08/23/2024 07:10
Changes: 06/14/2017 18:11 (87), 10/19/2019 17:16 (5), 08/23/2024 07:10 (18)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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