VDB-115979 · CVE-2018-5227 · BID 103731

Atlassian Application Links up to 5.4.3 Administration 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.
3.6	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Atlassian Application Links up to 5.4.3 and classified as problematic. The affected element is an unknown function of the component Administration. The manipulation leads to cross site scripting. This vulnerability is traded as CVE-2018-5227. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Atlassian Application Links up to 5.4.3 and classified as problematic. This issue affects an unknown part of the component Administration. 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:

Various administrative application link resources in Atlassian Application Links before version 5.4.4 allow remote attackers with administration rights to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the display url of a configured application link.

The bug was discovered 04/09/2018. The weakness was shared 04/10/2018 (Website). It is possible to read the advisory at ecosystem.atlassian.net. The identification of this vulnerability is CVE-2018-5227 since 01/05/2018. The attack may be initiated remotely. A simple authentication is necessary for exploitation. 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 was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 5.4.4 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 103731†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Atlassian

Name

Application Links

Version

License

free

Website

Vendor: https://www.atlassian.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.7

VulDB Base Score: 2.7
VulDB Temp Score: 2.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.8
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Application Links 5.4.4

Timelineinfo

01/05/2018 🔍
04/09/2018 +94 days 🔍
04/10/2018 +1 days 🔍
04/10/2018 +0 days 🔍
04/10/2018 +0 days 🔍
04/11/2018 +1 days 🔍
01/23/2020 +652 days 🔍

Sourcesinfo

Vendor: atlassian.com

Advisory: ecosystem.atlassian.net
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-5227 (🔍)
GCVE (CVE): GCVE-0-2018-5227
GCVE (VulDB): GCVE-100-115979
SecurityFocus: 103731 - Atlassian Application Links CVE-2018-5227 Cross Site Scripting Vulnerability

Entryinfo

Created: 04/11/2018 09:21
Updated: 01/23/2020 15:28
Changes: 04/11/2018 09:21 (60), 01/23/2020 15:28 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.