Microsoft Azure App Service on Azure Stack cross site scripting
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.6 | $0-$5k | 0.00 |
A vulnerability classified as problematic was found in Microsoft Azure App Service on Azure Stack (Cloud Software) (affected version not known). Affected by this vulnerability is some unknown functionality. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:
A Cross-site Scripting (XSS) vulnerability exists when Azure App Services on Azure Stack does not properly sanitize user provided input, aka "Azure App Service Cross-site Scripting Vulnerability." This affects Azure App.
The bug was discovered 11/13/2018. The weakness was presented 11/13/2018 as confirmed security update guide (Website). The advisory is shared at portal.msrc.microsoft.com. The public release was coordinated in cooperation with Microsoft. This vulnerability is known as CVE-2018-8600 since 03/14/2018. The attack can be launched remotely. A single authentication is required for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue. The advisory points out:
A Cross-site Scripting (XSS) vulnerability exists when Azure App Services on Azure Stack does not properly sanitize user provided input. An authenticated attacker could exploit the vulnerability by sending a specially crafted payload to the App Service, which will get executed in the context of the user every time a user visits the compromised page.
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
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: 4.8VulDB Meta Temp Score: 4.7
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.1
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: Cross site scriptingCWE: CWE-79 / CWE-74 / CWE-707
ATT&CK: T1059.007
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
03/14/2018 🔍11/13/2018 🔍
11/13/2018 🔍
11/13/2018 🔍
11/13/2018 🔍
11/13/2018 🔍
11/14/2018 🔍
04/12/2020 🔍
Sources
Vendor: microsoft.comAdvisory: portal.msrc.microsoft.com
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍
CVE: CVE-2018-8600 (🔍)
SecurityFocus: 105893 - Microsoft Azure App Service CVE-2018-8600 Cross Site Scripting Vulnerability
Entry
Created: 11/14/2018 10:13Updated: 04/12/2020 16:23
Changes: 11/14/2018 10:13 (63), 04/12/2020 16:23 (4)
Complete: 🔍
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