What’s Vulnerable › Vulnerabilities

CVE-2016-9579

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-08-01 · updated 2026-06-17
• Weakness: CWE-20

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.

Affected products

• Red Hat Ceph Storage: 1.3, 2.0
• RedHat Ceph Storage Mon: 1.3, 2
• RedHat Ceph Storage Osd: 1.3, 2
• RedHat Enterprise Linux Desktop: 7.0
• RedHat Enterprise Linux Server: 7.0
• RedHat Enterprise Linux Workstation: 7.0

References

• http://rhn.redhat.com/errata/RHSA-2016-2954.html
• http://rhn.redhat.com/errata/RHSA-2016-2956.html
• http://rhn.redhat.com/errata/RHSA-2016-2994.html
• http://rhn.redhat.com/errata/RHSA-2016-2995.html
• http://tracker.ceph.com/issues/18187
• http://www.securityfocus.com/bid/94936
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9579
• http://rhn.redhat.com/errata/RHSA-2016-2954.html
• http://rhn.redhat.com/errata/RHSA-2016-2956.html
• http://rhn.redhat.com/errata/RHSA-2016-2994.html
• http://rhn.redhat.com/errata/RHSA-2016-2995.html
• http://tracker.ceph.com/issues/18187

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