CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.9 | $0-$5k | 0.00 |
A vulnerability was found in Microsoft Edge (Web Browser) (unknown version). It has been rated as critical. Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:
A spoofing vulnerability exists when Microsoft Edge does not properly parse HTTP content, aka "Microsoft Edge Spoofing Vulnerability." This affects Microsoft Edge. This CVE ID is unique from CVE-2018-8388.
The bug was discovered 08/14/2018. The weakness was released 08/14/2018 by Kryptos Logic (window) with Kryptos Logic as confirmed security update guide (Website). The advisory is shared for download at portal.msrc.microsoft.com. The public release was coordinated with the vendor. This vulnerability is handled as CVE-2018-8383 since 03/14/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/02/2023). The advisory points out:
A spoofing vulnerability exists when Microsoft Edge does not properly parse HTTP content. An attacker who successfully exploited this vulnerability could trick a user by redirecting the user to a specially crafted website. The specially crafted website could either spoof content or serve as a pivot to chain an attack with other vulnerabilities in web services.
The vulnerability scanner Nessus provides a plugin with the ID 111692 (KB4343909: Windows 10 Version 1803 and Windows Server Version 1803 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 91464 (Microsoft Edge Security Update for 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 vulnerability database at Tenable (111692). Entries connected to this vulnerability are available at 122827, 122830, 122831 and 122840.
Product
Type
Vendor
Name
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: 5.0VulDB Meta Temp Score: 4.9
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
Vendor Base Score (Microsoft): 4.3
Vendor Vector (Microsoft): 🔍
NVD Base Score: 4.3
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: Input validationCWE: CWE-20
ATT&CK: Unknown
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: 111692
Nessus Name: KB4343909: Windows 10 Version 1803 and Windows Server Version 1803 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 🔍
05/02/2023 🔍
Sources
Vendor: microsoft.comAdvisory: portal.msrc.microsoft.com
Researcher: Kryptos Logic (window)
Organization: Kryptos Logic
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍
CVE: CVE-2018-8383 (🔍)
OVAL: 🔍
SecurityTracker: 1041457
SecurityFocus: 105024 - Microsoft Edge CVE-2018-8383 Spoofing Vulnerability
See also: 🔍
Entry
Created: 08/14/2018 21:52Updated: 05/02/2023 08:12
Changes: 08/14/2018 21:52 (84), 03/15/2020 15:41 (8), 05/02/2023 08:12 (4)
Complete: 🔍
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