VDB-101652 · CVE-2017-6813 · BID 98087

Synacor Zimbra Collaboration up to 8.7.5 Service access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Synacor Zimbra Collaboration up to 8.7.5. Affected by this issue is some unknown functionality of the component Service Handler. The manipulation results in access control. This vulnerability is reported as CVE-2017-6813. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Synacor Zimbra Collaboration up to 8.7.5 (Groupware Software). It has been classified as critical. Affected is an unknown code block of the component Service Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A service provided by Zimbra Collaboration Suite (ZCS) before 8.7.6 fails to require needed privileges before performing a few requested operations.

The bug was discovered 05/05/2017. The weakness was disclosed 05/23/2017 by Greg Solovyev (Website). The advisory is shared for download at wiki.zimbra.com. This vulnerability is traded as CVE-2017-6813 since 03/11/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 18 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 8.7.6 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 98087†). The entries VDB-99055 and VDB-101653 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 800201
OpenVAS Name: Zimbra Collaboration Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Zimbra Collaboration 8.7.6

Timelineinfo

03/11/2017 🔍
05/01/2017 +51 days 🔍
05/05/2017 +4 days 🔍
05/23/2017 +18 days 🔍
05/23/2017 +0 days 🔍
05/23/2017 +0 days 🔍
02/03/2020 +986 days 🔍

Sourcesinfo

Vendor: synacor.com

Advisory: wiki.zimbra.com
Researcher: Greg Solovyev
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-6813 (🔍)
GCVE (CVE): GCVE-0-2017-6813
GCVE (VulDB): GCVE-100-101652
SecurityFocus: 98087 - Zimbra Collaboration Suite CVE-2017-6813 Unspecified Privilege Escalation Vulnerability

See also: 🔍

Entryinfo

Created: 05/23/2017 12:46
Updated: 02/03/2020 20:00
Changes: 05/23/2017 12:46 (69), 02/03/2020 20:00 (2)
Complete: 🔍
Cache ID: 216:876:103

Once again VulDB remains the best source for vulnerability data.

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