SRC-2020-0028 : Microsoft SharePoint Server PasswordRecovery Information Disclosure Vulnerability
CVE ID: CVE-2020-17017
CVSS Score: 5.3, (/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C)
Affected Vendors: Microsoft
Affected Products: SharePoint Server
This vulnerability allows remote attackers to disclose sensitive information on affected installations of SharePoint Server. Authentication is required to exploit this vulnerability.
The specific flaw exists within the PasswordRecovery class. The issue results from the lack of proper validation of user-supplied BodyFileName property. An attacker can leverage this vulnerability to disclose files in the context of the Administrator.
Microsoft has issued an update to correct this vulnerability. More details can be found at: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17017
- 2020-08-13 – Sent to Microsoft
- 2020-11-10 – Coordinated public release of advisory
Credit: This vulnerability was discovered by Steven Seeley (mr_me) of Qihoo 360 Vulcan Team