Microsoft Office 2007 SP2/2010 SP2/2013 RT SP1/2013 SP1/2016 memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.2 | $0-$5k | 0.00 |
A vulnerability was found in Microsoft Office 2007 SP2/2010 SP2/2013 RT SP1/2013 SP1/2016 (Office Suite Software) and classified as critical. Affected by this issue is some unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.
The bug was discovered 02/13/2018. The weakness was shared 02/13/2018 with Microsoft as confirmed security update guide (Website). The advisory is available at portal.msrc.microsoft.com. This vulnerability is handled as CVE-2018-0851 since 12/01/2017. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The advisory points out:
A remote code execution vulnerability exists in Microsoft Office software when the Office software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.
The vulnerability scanner Nessus provides a plugin with the ID 106817 (Security Updates for Microsoft Word Viewer (February 2018)), 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 110311 (Microsoft Office and Microsoft Office Services and Web Apps Security Update February 2018).
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 vulnerability database at Tenable (106817). The entries 113216, 113232, 113233 and 113235 are related to this item.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
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CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.4
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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0-Day | unlock | unlock | unlock | unlock |
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Nessus ID: 106817
Nessus Name: Security Updates for Microsoft Word Viewer (February 2018)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 900093
OpenVAS Name: Microsoft Office Word Viewer Remote Code Execution Vulnerability (KB4011703)
OpenVAS File: 🔍
OpenVAS Family: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
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Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
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Timeline
12/01/2017 🔍02/13/2018 🔍
02/13/2018 🔍
02/13/2018 🔍
02/13/2018 🔍
02/14/2018 🔍
02/14/2018 🔍
02/14/2018 🔍
02/03/2021 🔍
Sources
Vendor: microsoft.comAdvisory: portal.msrc.microsoft.com
Researcher: Ben Faull
Organization: Microsoft
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2018-0851 (🔍)
OVAL: 🔍
SecurityTracker: 1040381
SecurityFocus: 102870 - Microsoft Office CVE-2018-0851 Memory Corruption Vulnerability
See also: 🔍
Entry
Created: 02/14/2018 09:07Updated: 02/03/2021 12:49
Changes: 02/14/2018 09:07 (75), 01/04/2020 16:01 (6), 02/03/2021 12:46 (3), 02/03/2021 12:49 (1)
Complete: 🔍
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