VDB-119611 · CVE-2018-5754 · RHSA-2018:1319

Open-Xchange OX AppSuite up to 7.8.3-rev11/7.8.4-rev8 Office-Web 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.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Open-Xchange OX AppSuite up to 7.8.3-rev11/7.8.4-rev8. This affects an unknown function of the component Office-Web. This manipulation causes cross site scripting. This vulnerability is handled as CVE-2018-5754. The attack can be initiated remotely. Additionally, an exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as critical was found in Open-Xchange OX AppSuite up to 7.8.3-rev11/7.8.4-rev8 (Groupware Software). Affected by this vulnerability is some unknown functionality of the component Office-Web. 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 confidentiality. The summary by CVE is:

Cross-site scripting (XSS) vulnerability in the office-web component in Open-Xchange OX App Suite before 7.8.3-rev12 and 7.8.4 before 7.8.4-rev9 allows remote attackers to inject arbitrary web script or HTML via a crafted presentation file, related to copying content to the clipboard.

The bug was discovered 06/08/2018. The weakness was released 06/16/2018 (Website). It is possible to read the advisory at packetstormsecurity.com. This vulnerability is known as CVE-2018-5754 since 01/17/2018. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 109801 (Virtuozzo 6 : parallels-server-bm-release / vzkernel / etc (VZA-2018-029)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Virtuozzo Local Security Checks and running in the context l.

Applying the patch 7.8.3-rev12/7.8.4-rev9 is able to eliminate this problem. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (44881) and Tenable (109801). Entries connected to this vulnerability are available at VDB-119597, VDB-119609, VDB-119608 and VDB-119610. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Groupware Software

Vendor

Open-Xchange

Name

OX AppSuite

Version

License

open-source

Website

Vendor: https://www.open-xchange.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.1

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 109801
Nessus Name: Virtuozzo 6 : parallels-server-bm-release / vzkernel / etc (VZA-2018-029)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 7.8.3-rev12/7.8.4-rev9

Timelineinfo

01/17/2018 🔍
05/14/2018 +117 days 🔍
05/15/2018 +1 days 🔍
06/08/2018 +24 days 🔍
06/15/2018 +6 days 🔍
06/16/2018 +1 days 🔍
06/16/2018 +0 days 🔍
11/25/2025 +2719 days 🔍