Synacor Zimbra Collaboration ProxyServlet Server-Side Request Forgery

A vulnerability classified as critical was found in Synacor Zimbra Collaboration up to 8.6 Patch 12/8.7.11 Patch 9/8.8.10 Patch 6/8.8.11 Patch 2 (Groupware Software). Affected by this vulnerability is the functionality of the component ProxyServlet. The manipulation with an unknown input leads to a privilege escalation vulnerability (SSRF). The CWE definition for the vulnerability is CWE-918. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 04/30/2019 as EDB-ID 46693 as uncorroborated exploit (Exploit-DB). The advisory is shared at exploit-db.com. This vulnerability is known as CVE-2019-9621 since 03/06/2019. Technical details are unknown but a public exploit is available.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept. It is possible to download the exploit at exploit-db.com.

Upgrading to version 8.6 Patch 13, 8.7.11 Patch 10, 8.8.10 Patch 7 or 8.8.11 Patch 3 eliminates this vulnerability.

Vendor

• Synacor

Name

• Zimbra Collaboration

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VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.1

VulDB Base Score: ≈5.5
VulDB Temp Score: ≈5.1
VulDB Vector: ?
VulDB Reliability: ?

VulDB Base Score: ?
VulDB Temp Score: ?
VulDB Reliability: ?
Class: Privilege escalation / SSRF (CWE-918)
Local: Yes
Remote: No

Availability: ?
Access: Public
Status: Proof-of-Concept
Download: ?

Price Prediction: ?
Current Price Estimation: ?

Exploit-DB: ?

Threat Intelligenceinfoedit

Threat: ?
Adversaries: ?
Geopolitics: ?
Economy: ?
Predictions: ?
Remediation: ?Recommended: Upgrade
Status: ?
0-Day Time: ?
Exploit Delay Time: ?

Upgrade: Zimbra Collaboration 8.6 Patch 13/8.7.11 Patch 10/8.8.10 Patch 7/8.8.11 Patch 3

03/06/2019 CVE assigned
04/30/2019 +55 days Advisory disclosed
04/30/2019 +0 days Exploit disclosed
04/30/2019 +0 days EDB entry disclosed
04/30/2019 +0 days VulDB entry created
04/30/2019 +0 days VulDB last updateAdvisory: EDB-ID 46693
Status: Uncorroborated
Confirmation: ?

CVE: CVE-2019-9621 (?)

Created: 04/30/2019 11:12 PM
Complete: ?

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