Atlassian Confluence Server up to 6.6.0 viewdefaultdecorator key 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.
4.9$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Atlassian Confluence Server up to 6.6.0. This affects an unknown part of the component viewdefaultdecorator. The manipulation of the argument key as part of Parameter results in cross site scripting. This vulnerability is reported as CVE-2017-18085. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in Atlassian Confluence Server up to 6.6.0. Affected is an unknown part of the component viewdefaultdecorator. The manipulation of the argument key as part of a Parameter leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. CVE summarizes:

The viewdefaultdecorator resource in Atlassian Confluence Server before version 6.6.1 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability through the key parameter.

The bug was discovered 02/02/2018. The weakness was disclosed 02/02/2018 (Website). The advisory is shared for download at jira.atlassian.com. This vulnerability is traded as CVE-2017-18085 since 02/01/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The vulnerability scanner Nessus provides a plugin with the ID 106949 (Atlassian Confluence < 6.6.1 viewdefaultdecorator Reflected XSS (CVE-2017-18085)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses : XSS and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13271 (Atlassian Confluence Server Cross Site Scripting (XSS) Vulnerability).

Upgrading to version 6.6.1 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (106949) and SecurityFocus (BID 103062†). The entries VDB-112753, VDB-112751 and VDB-112750 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 106949
Nessus Name: Atlassian Confluence < 6.6.1 viewdefaultdecorator Reflected XSS (CVE-2017-18085)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Confluence Server 6.6.1

Timelineinfo

01/08/2018 🔍
02/01/2018 +24 days 🔍
02/02/2018 +1 days 🔍
02/02/2018 +0 days 🔍
02/02/2018 +0 days 🔍
02/02/2018 +0 days 🔍
02/03/2018 +1 days 🔍
02/22/2018 +19 days 🔍
01/01/2020 +678 days 🔍

Sourcesinfo

Vendor: atlassian.com

Advisory: jira.atlassian.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-18085 (🔍)
GCVE (CVE): GCVE-0-2017-18085
GCVE (VulDB): GCVE-100-112752
SecurityFocus: 103062 - Atlassian Confluence CVE-2017-18085 Cross Site Scripting Vulnerability

See also: 🔍

Entryinfo

Created: 02/03/2018 09:02
Updated: 01/01/2020 08:57
Changes: 02/03/2018 09:02 (71), 01/01/2020 08:57 (5)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!