What is CVE-2017-18096?

CVE-2017-18096 is a vulnerability in Atlassian Application Links that allows remote attackers with administrative rights to access internal network resources.

What is the severity of CVE-2017-18096?

The severity of CVE-2017-18096 is rated as high with a CVSS score of 7.2.

Which software versions are affected by CVE-2017-18096?

Atlassian Application Links versions up to 5.2.7, 5.3.0 to 5.3.4, and 5.4.0 to 5.4.3 are affected by CVE-2017-18096.

How does CVE-2017-18096 work?

CVE-2017-18096 works by allowing attackers with administrative rights to create an OAuth request that triggers a Server Side Request Forgery (SSRF) and gains access to internal network resources.

Is there a fix for CVE-2017-18096?

Yes, upgrading Atlassian Application Links to version 5.2.7, 5.3.4, or 5.4.3 will fix CVE-2017-18096.

Vulnerability/
CVE-2017-18096

high

7.2

CWE

918

4/4/2018

5/8/2024

CVE-2017-18096: SSRF

First published: Wed Apr 04 2018(Updated: )

The OAuth status rest resource in Atlassian Application Links before version 5.2.7, from 5.3.0 before 5.3.4 and from 5.4.0 before 5.4.3 allows remote attackers with administrative rights to access the content of internal network resources via a Server Side Request Forgery (SSRF) by creating an OAuth application link to a location they control and then redirecting access from the linked location's OAuth status rest resource to an internal location. When running in an environment like Amazon EC2, this flaw maybe used to access to a metadata resource that provides access credentials and other potentially confidential information.

Credit: security@atlassian.com

Affected Software	Affected Version	How to fix
Atlassian Application Links	<5.2.7
Atlassian Application Links	>=5.3.0<5.3.4
Atlassian Application Links	>=5.4.0<5.4.3

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Reference Links

https://ecosystem.atlassian.net/browse/APL-1359

Frequently Asked Questions

What is CVE-2017-18096?
CVE-2017-18096 is a vulnerability in Atlassian Application Links that allows remote attackers with administrative rights to access internal network resources.
What is the severity of CVE-2017-18096?
The severity of CVE-2017-18096 is rated as high with a CVSS score of 7.2.
Which software versions are affected by CVE-2017-18096?
Atlassian Application Links versions up to 5.2.7, 5.3.0 to 5.3.4, and 5.4.0 to 5.4.3 are affected by CVE-2017-18096.
How does CVE-2017-18096 work?
CVE-2017-18096 works by allowing attackers with administrative rights to create an OAuth request that triggers a Server Side Request Forgery (SSRF) and gains access to internal network resources.
Is there a fix for CVE-2017-18096?
Yes, upgrading Atlassian Application Links to version 5.2.7, 5.3.4, or 5.4.3 will fix CVE-2017-18096.

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agent/softwarecombine
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vendor/atlassian
canonical/atlassian application links
version/atlassian application links/5.3.0
version/atlassian application links/5.4.0

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