CVE-2017-18095 Missing authorization in Crucible

Medium 5.3 Published Updated

Remote attackers can comment on unauthorized snippets in Atlassian Crucible due to improper authorization checks.

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

What is CVE-2017-18095?

CVE-2017-18095 is a medium-severity missing authorization vulnerability in Atlassian Crucible, published on 19 Feb 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The SnippetRPCServiceImpl class in Atlassian Crucible before version 4.5.1 (the fixed version 4.5.x) and before 4.6.0 allows remote attackers to comment on snippets they do not have authorization to access via an improper authorization vulnerability.

Weakness: CWE-863

Which versions are affected by CVE-2017-18095?

It affects 1 product.

Products include Atlassian Crucible.

How do I fix CVE-2017-18095?

No fix has been published for CVE-2017-18095 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-2017-18095 being exploited?

There is no known exploitation of CVE-2017-18095 in the wild and no public exploit code.

All Atlassian Crucible vulnerabilities

Sources

Also known as GHSA-49jr-p97x-4c27.

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