CVE-2016-9579

Name: CVE-2016-9579
Creator: NVD / NIST
Published: 2018-08-01T16:29:00.427+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.40%

Last modified Jun 17, 2026

CVE-2016-9579 is a vulnerability of currently unknown severity. A flaw was found in the way Ceph Object Gateway would process cross-origin HTTP requests if the CORS policy was set to allow origin on a bucket. A remote unauthenticated attacker could use this flaw to cause denial of service by sending a specially-crafted cross-origin HTTP request. EPSS estimates a 4.40% chance of exploitation in the next 30 days.

Description

A flaw was found in the way Ceph Object Gateway would process cross-origin HTTP requests if the CORS policy was set to allow origin on a bucket. A remote unauthenticated attacker could use this flaw to cause denial of service by sending a specially-crafted cross-origin HTTP request. Ceph branches 1.3.x and 2.x are affected.

Metrics

EPSS Probability

4.40%

90.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Redhat	Ceph Storage	1.3
Redhat	Ceph Storage Mon	1.3
Redhat	Ceph Storage Mon	2
Redhat	Ceph Storage Osd	1.3
Redhat	Ceph Storage Osd	2
Redhat	Enterprise Linux Desktop	7.0
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Workstation	7.0
Redhat	Ceph Storage	2.0

References

http://rhn.redhat.com/errata/RHSA-2016-2954.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2956.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2994.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2995.htmlThird Party Advisory
http://tracker.ceph.com/issues/18187Exploit, Patch, Vendor Advisory
http://www.securityfocus.com/bid/94936Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9579Exploit, Issue Tracking, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2954.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2956.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2994.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2995.htmlThird Party Advisory
http://tracker.ceph.com/issues/18187Exploit, Patch, Vendor Advisory
http://www.securityfocus.com/bid/94936Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9579Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Aug 1, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-9579?

How severe is CVE-2016-9579?

Severity scoring for CVE-2016-9579 is pending analysis. The EPSS model estimates a 4.40% probability of exploitation in the next 30 days.

How do I fix CVE-2016-9579?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-9579?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST