CVE-2017-18035 Missing authorization in Fisheye and Crucible

Medium 4.3 Published Updated

Remote attackers can access review coverage statistics for repositories they lack permission to view due to a missing permissions check.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-18035?

CVE-2017-18035 is a medium-severity missing authorization vulnerability in Atlassian Crucible, published on 2 Feb 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The /rest/review-coverage-chart/1.0/data/<repository_name>/.json resource in Atlassian Fisheye and Crucible before version 4.5.1 and 4.6.0 was missing a permissions check, this allows remote attackers who do not have access to a particular repository to determine its existence and access review coverage statistics for it.

Weakness: CWE-862, CWE-284

Which versions are affected by CVE-2017-18035?

It affects 2 products.

Products include Atlassian Crucible, Atlassian Fisheye.

How do I fix CVE-2017-18035?

No fix has been published for CVE-2017-18035 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2017-18035 being exploited?

There is no known exploitation of CVE-2017-18035 in the wild and no public exploit code.

All Atlassian Crucible vulnerabilities

Sources

Also known as GHSA-6fpv-4x2f-7hh2.

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