Atlassian Confluence Server up to 6.3.3 usermacros cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Atlassian Confluence Server up to 6.3.3. Affected by this issue is some unknown functionality of the component usermacros. The manipulation leads to cross site scripting. This vulnerability is documented as CVE-2017-18084. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Atlassian Confluence Server up to 6.3.3. It has been rated as problematic. This issue affects some unknown functionality of the component usermacros. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. The summary by CVE is:

The usermacros resource in Atlassian Confluence Server before version 6.3.4 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability through the description of a macro.

The bug was discovered 02/02/2018. The weakness was released 02/02/2018 (Website). It is possible to read the advisory at jira.atlassian.com. The identification of this vulnerability is CVE-2017-18084 since 02/01/2018. The attack may be initiated remotely. A simple authentication is required for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 106947 (Atlassian Confluence < 6.3.4 usermacros Reflected XSS (CVE-2017-18084)), 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 13244 (Atlassian Confluence Server Usermacros Resource Cross Site Scripting Vulnerability (CONFSERVER-54904)).

Upgrading to version 6.3.4 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 (106947) and SecurityFocus (BID 103064†). Entries connected to this vulnerability are available at VDB-112753, VDB-112752 and VDB-112750. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.6
VulDB Meta Temp Score: 3.5

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.8
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: 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: 🔍

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Nessus ID: 106947
Nessus Name: Atlassian Confluence < 6.3.4 usermacros Reflected XSS (CVE-2017-18084)
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 6.3.4

Timelineinfo

09/05/2017 🔍
02/01/2018 +149 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-2017-18084 (🔍)
GCVE (CVE): GCVE-0-2017-18084
GCVE (VulDB): GCVE-100-112751
SecurityFocus: 103064 - Atlassian Confluence CVE-2017-18084 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 (69), 01/01/2020 08:57 (5)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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