CVE-2017-9505

Public Exploit

Description

Atlassian Confluence starting with 4.3.0 before 6.2.1 did not check if a user had permission to view a page when creating a workbox notification about new comments. An attacker who can login to Confluence could receive workbox notifications, which contain the content of comments, for comments added to a page after they started watching it even if they do not have permission to view the page itself.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.41%
Vendor Advisory atlassian.com
Affected: Atlassian Confluence Server
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/99086 vdb entry third party advisory
https://jira.atlassian.com/browse/CONFSERVER-52560 mitigation vendor advisory
https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20170613-0_Atlassian_Confluence_Access_Restriction_Bypass_v10.txt exploit third party advisory mitigation

Frequently Asked Questions

What is the severity of CVE-2017-9505?
CVE-2017-9505 has been scored as a medium severity vulnerability.
How to fix CVE-2017-9505?
To fix CVE-2017-9505, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-9505 being actively exploited in the wild?
It is possible that CVE-2017-9505 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-9505?
CVE-2017-9505 affects Atlassian Confluence Server.
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