CVE-2016-9579 Information

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 Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5