SB2020090815 - Multiple vulnerabilities in Microsoft SharePoint Server
Published: September 8, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 10 secuirty vulnerabilities.
1) Input validation error (CVE-ID: CVE-2020-1460)
The vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to the Microsoft SharePoint Server fails to properly identify and filter unsafe ASP.Net web controls. A remote authenticated attacker can create and invoke a specially crafted page and execute arbitrary code on the target system.
2) Input validation error (CVE-ID: CVE-2020-1452)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to the affected software fails to check the source markup of an application package. A remote authenticated attacker can upload a specially crafted SharePoint application package and execute arbitrary code on the system.
3) Input validation error (CVE-ID: CVE-2020-1453)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to the affected software fails to check the source markup of an application package. A remote authenticated attacker can upload a specially crafted SharePoint application package and execute arbitrary code on the system.
4) Input validation error (CVE-ID: CVE-2020-1576)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to the affected software fails to check the source markup of an application package. A remote authenticated attacker can upload a specially crafted SharePoint application package and execute arbitrary code on the system.
5) Input validation error (CVE-ID: CVE-2020-1200)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to the affected software fails to check the source markup of an application package. A remote authenticated attacker can upload a specially crafted SharePoint application package and execute arbitrary code on the system.
6) Spoofing attack (CVE-ID: CVE-2020-1205)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data. A remote authenticated attacker can send a specially crafted request and spoof page content.
7) Input validation error (CVE-ID: CVE-2020-1210)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to the affected software fails to check the source markup of an application package. A remote authenticated attacker can upload a specially crafted SharePoint application package and execute arbitrary code on the system.
8) Input validation error (CVE-ID: CVE-2020-1440)
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the Microsoft SharePoint Server fails to properly handle profile data. A remote authenticated attacker can send a specially modified request to the server and modify a targeted user's profile data.
9) Input validation error (CVE-ID: CVE-2020-1523)
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the Microsoft SharePoint Server fails to properly handle profile data. A remote authenticated attacker can send a specially modified request to the server and modify a targeted user's profile data.
10) Input validation error (CVE-ID: CVE-2020-1595)
The vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of user-supplied input in Microsoft SharePoint. A remote authenticated attacker can pass specially crafted input to the application and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1460
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1452
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1453
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1576
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1200
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1205
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1210
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1440
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1523
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1595