CVE-2016-9579 — MEDIUM (6.5)

Vulnerability 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.

CVSS Score

6.5

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Redhat	Ceph Storage	1.3
Redhat	Ceph Storage Mon	1.3
Redhat	Ceph Storage Osd	1.3
Redhat	Enterprise Linux Desktop	7.0
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Workstation	7.0
Canonical	Ubuntu Linux	16.04
Redhat	Enterprise Linux	7.0

Related Weaknesses (CWE)

CWE-20

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/18187ExploitPatchVendor Advisory
http://www.securityfocus.com/bid/94936Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9579ExploitIssue TrackingThird 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/18187ExploitPatchVendor Advisory
http://www.securityfocus.com/bid/94936Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9579ExploitIssue TrackingThird Party Advisory

FAQ

What is CVE-2016-9579?

CVE-2016-9579 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 t...

How severe is CVE-2016-9579?

CVE-2016-9579 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2016-9579?

Check the references section above for vendor advisories and patch information. Affected products include: Redhat Ceph Storage, Redhat Ceph Storage Mon, Redhat Ceph Storage Osd, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server.