Multiple vulnerabilities in Microsoft SharePoint Server
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2022-30158 CVE-2022-30157 |
| CWE-ID | CWE-20 CWE-502 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Microsoft SharePoint Server Subscription Edition Server applications / Application servers Microsoft SharePoint Server Server applications / Application servers Microsoft SharePoint Foundation Server applications / Application servers Microsoft SharePoint Enterprise Server Server applications / Application servers |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Input validation error
EUVDB-ID: #VU64373
Risk: Medium
CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2022-30158
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe 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 Server. A remote user can pass specially crafted input to the application and execute arbitrary code on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft SharePoint Server Subscription Edition: All versions
Microsoft SharePoint Server: 2013 Service Pack 1 - 2019
Microsoft SharePoint Foundation: 2013 Service Pack 1
Microsoft SharePoint Enterprise Server: 2016
CPE2.3- cpe:2.3:a:microsoft:microsoft_sharepoint_server_subscription_edition:*:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:microsoft_sharepoint_server:2013:Service Pack 1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:microsoft_sharepoint_server:2019:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:microsoft_sharepoint_foundation:2013 Service Pack 1:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:microsoft_sharepoint_enterprise_server:2016:*:*:*:*:*:*:*
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-30158
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Deserialization of Untrusted Data
EUVDB-ID: #VU64374
Risk: Medium
CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2022-30157
CWE-ID:
CWE-502 - Deserialization of Untrusted Data
Exploit availability: No
DescriptionThe vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation when processing serialized charts data. A remote user can pass specially crafted data to the application and execute arbitrary code in the context of the SharePoint web server process.
Install updates from vendor's website.
Vulnerable software versionsMicrosoft SharePoint Server Subscription Edition: All versions
Microsoft SharePoint Server: 2019
Microsoft SharePoint Enterprise Server: 2013 Service Pack 1 - 2016
CPE2.3- cpe:2.3:a:microsoft:microsoft_sharepoint_server_subscription_edition:*:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:microsoft_sharepoint_server:2019:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:microsoft_sharepoint_enterprise_server:2013:Service Pack 1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:microsoft_sharepoint_enterprise_server:2016:*:*:*:*:*:*:*
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-30157
https://www.zerodayinitiative.com/advisories/ZDI-22-871/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
