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Category:   Application (Generic)  >   VMware vCenter Vendors:   VMware
VMware vCenter Server Flaws Let Remote Users Deny Service and Obtain Potentially Sensitive Information
SecurityTracker Alert ID:  1039759
SecurityTracker URL:  http://securitytracker.com/id/1039759
CVE Reference:   CVE-2017-4927, CVE-2017-4928   (Links to External Site)
Date:  Nov 10 2017
Impact:   Denial of service via network, Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5.5, 6.0, 6.5
Description:   Two vulnerabilities were reported in VMware vCenter Server. A remote user can cause denial of service conditions on the target system. A remote user can obtain potentially sensitive information on the target system.

A remote user can send specially crafted LDAP packets to cause the target service to crash [CVE-2017-4927]. Versions 6.0 and 6.5 are affected.

A remote user can send specially crafted POST requests via the Flash-based vSphere Web Client to trigger a URL validation flaw and conduct server side request forgery (SSRF) and carriage return line feed (CRLF) injection attacks to obtain potentially sensitive information on the target system [CVE-2017-4928]. Versions 5.5 and 6.0 are affected.

Honggang Ren of Fortinet's FortiGuard Labs and ricterzheng @ Tencent Yunding Lab each reported one vulnerability.

Impact:   A remote user can cause denial of service conditions.

A remote user can obtain potentially sensitive information on the target system.

Solution:   VMware has issued a fix (5.5 U3f, 6.0 U3c, 6.5 U1).

The VMware advisory is available at:

http://www.vmware.com/security/advisories/ID: VMSA-2017-0017.html

Vendor URL:  www.vmware.com/security/advisories/ID: VMSA-2017-0017.html (Links to External Site)
Cause:   Access control error, Input validation error

Message History:   None.


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