VDB-111925 · CVE-2017-8802 · OpenVAS 57108

Synacor Zimbra Collaboration up to 8.8.0 Beta1 Snippet cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.3	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Synacor Zimbra Collaboration up to 8.8.0 Beta1. Affected by this vulnerability is an unknown functionality of the component Snippet Handler. This manipulation causes cross site scripting. This vulnerability is registered as CVE-2017-8802. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Synacor Zimbra Collaboration up to 8.8.0 Beta1 (Groupware Software). Affected by this vulnerability is some unknown functionality of the component Snippet Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

Cross-site scripting (XSS) vulnerability in Zimbra Collaboration Suite (aka ZCS) before 8.8.0 Beta2 might allow remote attackers to inject arbitrary web script or HTML via vectors related to the "Show Snippet" functionality.

The bug was discovered 05/04/2017. The weakness was published 01/16/2018 as not defined posting (Bugtraq). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2017-8802 since 05/05/2017. The attack can be launched remotely. A single authentication is required for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 257 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 8.8.0 Beta2 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Groupware Software

Vendor

Synacor

Name

Zimbra Collaboration

Version

8.8.0 Beta1

License

free

Website

Vendor: https://synacor.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

OpenVAS ID: 57108
OpenVAS Name: Zimbra ZCS XSS Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Zimbra Collaboration 8.8.0 Beta2

Timelineinfo

05/04/2017 🔍
05/05/2017 +1 days 🔍
01/16/2018 +256 days 🔍
01/16/2018 +0 days 🔍
01/17/2018 +1 days 🔍
02/03/2020 +747 days 🔍

Sourcesinfo

Vendor: synacor.com

Advisory: securityfocus.com⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-8802 (🔍)
GCVE (CVE): GCVE-0-2017-8802
GCVE (VulDB): GCVE-100-111925

Entryinfo

Created: 01/17/2018 07:59
Updated: 02/03/2020 19:42
Changes: 01/17/2018 07:59 (64), 02/03/2020 19:42 (2)
Complete: 🔍
Cache ID: 216::103