Microsoft Office up to 2019 Connectivity Engine memory corruption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.9 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as critical has been discovered in Microsoft Office up to 2019. Affected by this issue is some unknown functionality of the component Connectivity Engine. The manipulation results in memory corruption. This vulnerability is cataloged as CVE-2019-0673. The attack may be launched remotely. There is no exploit available. Applying a patch is advised to resolve this issue.
Details
A vulnerability classified as critical has been found in Microsoft Office up to 2019 (Office Suite Software). Affected is an unknown functionality of the component Connectivity Engine. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.
The bug was discovered 02/12/2019. The weakness was shared 02/12/2019 as confirmed security update guide (Website). The advisory is shared for download at portal.msrc.microsoft.com. The vendor cooperated in the coordination of the public release. This vulnerability is traded as CVE-2019-0673 since 11/26/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The advisory points out:
A remote code execution vulnerability exists when the Microsoft Office Access Connectivity Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system.
The commercial vulnerability scanner Qualys is able to test this issue with plugin 110330 (Microsoft Office and Microsoft Office Services and Web Apps Security Update February 2019).
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 SecurityFocus (BID 106863†). The entries VDB-130777, VDB-130778, VDB-130785 and VDB-130821 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.microsoft.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
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
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
11/26/2018 🔍02/12/2019 🔍
02/12/2019 🔍
02/12/2019 🔍
02/12/2019 🔍
02/13/2019 🔍
07/10/2023 🔍
Sources
Vendor: microsoft.comAdvisory: portal.msrc.microsoft.com
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍
CVE: CVE-2019-0673 (🔍)
GCVE (CVE): GCVE-0-2019-0673
GCVE (VulDB): GCVE-100-130824
SecurityFocus: 106863 - Microsoft Office CVE-2019-0540 Security Bypass Vulnerability
See also: 🔍
Entry
Created: 02/13/2019 10:15Updated: 07/10/2023 08:43
Changes: 02/13/2019 10:15 (65), 05/10/2020 09:44 (5), 07/10/2023 08:43 (4)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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