Microsoft Excel 2010 SP2/2013 RT SP1/2013 SP1/2016/2016 C2R memory corruption
![Microsoft](/logos/microsoft.gif)
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.9 | $0-$5k | 0.00 |
A vulnerability was found in Microsoft Excel 2010 SP2/2013 RT SP1/2013 SP1/2016/2016 C2R (Spreadsheet Software) and classified as critical. This issue affects some unknown processing. 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 05/08/2018. The weakness was presented 05/08/2018 with Zero Day Initiative as confirmed security update guide (Website). The advisory is shared at portal.msrc.microsoft.com. The public release was coordinated in cooperation with Microsoft. The identification of this vulnerability is CVE-2018-8162 since 03/14/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The advisory points out:
A remote code execution vulnerability exists in Microsoft Excel software when the 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 109612 (Security Updates for Microsoft Excel Products (May 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 110317 (Microsoft Office and Microsoft Office Services and Web Apps Security Update May 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 databases at Tenable (109612) and SecurityFocus (BID 104058†).
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
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CVSSv3
VulDB Meta Base Score: 7.0VulDB Meta Temp Score: 6.9
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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0-Day | unlock | unlock | unlock | unlock |
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Nessus ID: 109612
Nessus Name: Security Updates for Microsoft Excel Products (May 2018)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 880033
OpenVAS Name: Microsoft Excel 2010 Service Pack 2 Multiple Vulnerabilities (KB4022146)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
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Timeline
03/14/2018 🔍05/08/2018 🔍
05/08/2018 🔍
05/08/2018 🔍
05/08/2018 🔍
05/08/2018 🔍
05/09/2018 🔍
05/09/2018 🔍
03/11/2023 🔍
Sources
Vendor: microsoft.comAdvisory: portal.msrc.microsoft.com
Organization: Zero Day Initiative
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍
CVE: CVE-2018-8162 (🔍)
OVAL: 🔍
SecurityFocus: 104058 - Microsoft Excel CVE-2018-8162 Remote Code Execution Vulnerability
SecurityTracker: 1040857
Entry
Created: 05/09/2018 14:38Updated: 03/11/2023 08:52
Changes: 05/09/2018 14:38 (76), 02/03/2020 11:24 (6), 03/11/2023 08:52 (5)
Complete: 🔍
Cache ID: 18:D4F:103
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