CVE-2017-9513 Missing authorization in Activity Streams

Medium 5.4 Published Updated

Authenticated attackers can watch and vote on restricted JIRA issues or Confluence pages due to missing permission checks in Activity Streams.

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-2017-9513?

CVE-2017-9513 is a medium-severity missing authorization vulnerability in Atlassian Activity Streams, published on 29 Jan 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Several rest inline action resources of Atlassian Activity Streams before version 6.3.0 allows remote authenticated attackers to watch any Confluence page & receive notifications when comments are added to the watched page, and vote & watch JIRA issues that they do not have access to, although they will not receive notifications for the issue, via missing permission checks.

Weakness: CWE-862, CWE-284

Which versions are affected by CVE-2017-9513?

It affects 1 product.

Products include Atlassian Activity Streams.

How do I fix CVE-2017-9513?

No fix has been published for CVE-2017-9513 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-2017-9513 being exploited?

There is no known exploitation of CVE-2017-9513 in the wild and no public exploit code.

Sources

Also known as GHSA-hv3r-96x4-645h.

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