CVE-2017-8441 Missing authorization in X-Pack Security
A flaw in Elastic X-Pack Security allowed users with restricted permissions to view unauthorized data via index aliases.
- 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-2017-8441?
CVE-2017-8441 is a medium-severity missing authorization vulnerability in Elastic X-Pack Security, published on 5 Jun 2017. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Elastic X-Pack Security versions prior to 5.4.1 and 5.3.3 did not always correctly apply Document Level Security to index aliases. This bug could allow a user with restricted permissions to view data they should not have access to when performing certain operations against an index alias.
Which versions are affected by CVE-2017-8441?
It affects 1 product.
Products include Elastic X-Pack.
How do I fix CVE-2017-8441?
No fix has been published for CVE-2017-8441 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-2017-8441 being exploited?
There is no known exploitation of CVE-2017-8441 in the wild and no public exploit code.
Other vulnerabilities in Elastic X-Pack Security
Sources
Also known as GHSA-5r8r-2h6m-393g.