Microsoft Windows up to Server 2016 Microsoft COM for Windows deserialization

CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.0 | $5k-$25k | 0.00 |
A vulnerability, which was classified as critical, has been found in Microsoft Windows (Operating System). This issue affects an unknown code of the component Microsoft COM for Windows. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability.
The bug was discovered 08/14/2018. The weakness was released 08/14/2018 with Microsoft as confirmed security update guide (Website). The advisory is shared at portal.msrc.microsoft.com. The public release was coordinated with Microsoft. The identification of this vulnerability is CVE-2018-8349 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 price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/15/2024). The advisory points out:
A remote code execution vulnerability exists in "Microsoft COM for Windows" when it fails to properly handle serialized objects.
The vulnerability scanner Nessus provides a plugin with the ID 111685 (KB4343887: Windows 10 Version 1607 and Windows Server 2016 August 2018 Security Update (Foreshadow)), 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 91465 (Microsoft Windows Security Update August 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 (111685) and SecurityFocus (BID 104984†). Entries connected to this vulnerability are available at VDB-122825, VDB-122827, VDB-122828 and VDB-122829.
Product
Type
Vendor
Name
Version
- 7 SP1
- 8.1
- 10
- 10 1607
- 10 1703
- 10 1709
- 10 1803
- RT 8.1
- Server 1709
- Server 1803
- Server 2008 R2 SP1
- Server 2008 SP2
- Server 2012
- Server 2012 R2
- Server 2016
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.1VulDB Meta Temp Score: 7.0
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
Vendor Base Score (Microsoft): 7.0
Vendor Vector (Microsoft): 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: DeserializationCWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 111685
Nessus Name: KB4343887: Windows 10 Version 1607 and Windows Server 2016 August 2018 Security Update (Foreshadow)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
03/14/2018 🔍08/14/2018 🔍
08/14/2018 🔍
08/14/2018 🔍
08/14/2018 🔍
08/14/2018 🔍
08/14/2018 🔍
08/15/2018 🔍
07/15/2024 🔍
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: portal.msrc.microsoft.com
Organization: Microsoft
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍
CVE: CVE-2018-8349 (🔍)
OVAL: 🔍
SecurityFocus: 104984 - Microsoft COM for Windows CVE-2018-8349 Remote Code Execution Vulnerability
SecurityTracker: 1041466
scip Labs: https://www.scip.ch/en/?labs.20161215
See also: 🔍
Entry
Created: 08/14/2018 09:42 PMUpdated: 07/15/2024 04:25 AM
Changes: 08/14/2018 09:42 PM (85), 03/16/2020 05:50 PM (6), 05/02/2023 06:47 AM (5), 07/15/2024 04:25 AM (16)
Complete: 🔍
Cache ID: 18:455:40
No comments yet. Languages: en.
Please log in to comment.