Privileges escalation in Microsoft Service Fabric



Published: 2020-03-11
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-0902
CWE-ID CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Service Fabric
Other software / Other software solutions

Vendor Microsoft

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU25981

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0902

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists in Service Fabric File Store Service under certain conditions. A remote attacker can gain rights to the Service Fabric File Store Service if the node is exposed externally via SMB or SCP standard ports and they are using the impacted configuration.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Service Fabric: 7.0 CU3

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0902


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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