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Fencer Intel
medium 6.5

CVE-2016-9579 json

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 bu…

published 2018-08-01 8 y ago modified 2026-06-17 4 mo ago also EUVD-2016-10385

cvss
6.5
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
4.3%
EPSS 4.3% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

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.

Patch / fix

  • ceph Debian 14, Debian 13, Debian 12 10.2.5-2

debian advisories DEBIAN-CVE-2016-9579

  • ceph Ubuntu 14.04 LTS 0.80.11-0ubuntu1.14.04.3

ubuntu advisories UBUNTU-CVE-2016-9579

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ceph ceph storage 1.3 1:0.94.9-9.el7cp
  • librbd1 ceph storage 1.3 1:0.94.9-9.el7cp
  • ceph-mon ceph storage 1.3 1:0.94.9-9.el7cp
  • ceph-osd ceph storage 1.3 1:0.94.9-9.el7cp
  • ceph-test ceph storage 1.3 1:0.94.9-9.el7cp
  • librados2 ceph storage 1.3 1:0.94.9-9.el7cp
  • python-rbd ceph storage 1.3 1:0.94.9-9.el7cp
  • ceph-common ceph storage 1.3 1:0.94.9-9.el7cp

red hat advisories RHSA-2016:2994RHSA-2016:2954

  • ceph Enterprise Storage 3 10.2.10+git.1510313171.6d5f0aeac1-13.7.3
  • ceph-test Enterprise Storage 3 10.2.10+git.1510313171.6d5f0aeac1-13.7.2
  • ceph Enterprise Storage 4 10.2.6+git.1490339825.57146d8-11.7
  • ceph-test Enterprise Storage 4 10.2.6+git.1490339825.57146d8-11.7

suse advisories SUSE-SU-2017:3171-1SUSE-SU-2017:1479-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-9579 updated cvss 6.5

ceph: Object Gateway server DoS by sending invalid cross-origin HTTP request

  • Red Hat Ceph Storage 1.3 for Ubuntu
    fixed: vendor fix RHSA-2016:2995
  • Red Hat Ceph Storage 2 for Ubuntu
    fixed: vendor fix RHSA-2016:2956
  • Red Hat Ceph Storage MON 1.3 ceph 0.94.9-9.el7cp, librbd1 0.94.9-9.el7cp, ceph-mon 0.94.9-9.el7cp, ceph-test 0.94.9-9.el7cp, librados2 0.94.9-9.el7cp, python-rbd 0.94.9-9.el7cp, +3 more
    fixed: vendor fix RHSA-2016:2994
  • Red Hat Ceph Storage MON 2 ceph 10.2.3-17.el7cp, librbd1 10.2.3-17.el7cp, librgw2 10.2.3-17.el7cp, ceph-mon 10.2.3-17.el7cp, ceph-base 10.2.3-17.el7cp, ceph-test 10.2.3-17.el7cp, +7 more
    fixed: vendor fix RHSA-2016:2954
  • Red Hat Ceph Storage OSD 1.3 ceph 0.94.9-9.el7cp, librbd1 0.94.9-9.el7cp, ceph-osd 0.94.9-9.el7cp, ceph-test 0.94.9-9.el7cp, librados2 0.94.9-9.el7cp, python-rbd 0.94.9-9.el7cp, +3 more
    fixed: vendor fix RHSA-2016:2994
  • Red Hat Ceph Storage OSD 2 ceph 10.2.3-17.el7cp, librbd1 10.2.3-17.el7cp, librgw2 10.2.3-17.el7cp, ceph-osd 10.2.3-17.el7cp, ceph-base 10.2.3-17.el7cp, ceph-test 10.2.3-17.el7cp, +7 more
    fixed: vendor fix RHSA-2016:2954
  • Red Hat Ceph Storage Tools 1.3 ceph 0.94.9-9.el7cp, librbd1 0.94.9-9.el7cp, librados2 0.94.9-9.el7cp, python-rbd 0.94.9-9.el7cp, ceph-common 0.94.9-9.el7cp, ceph-radosgw 0.94.9-9.el7cp, +2 more
    fixed: vendor fix RHSA-2016:2994
  • Red Hat Ceph Storage Tools 2 ceph 10.2.3-17.el7cp, librbd1 10.2.3-17.el7cp, librgw2 10.2.3-17.el7cp, ceph-mds 10.2.3-17.el7cp, ceph-base 10.2.3-17.el7cp, ceph-fuse 10.2.3-17.el7cp, +9 more
    fixed: vendor fix RHSA-2016:2954
show 1 more
  • Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse) ceph Red Hat Enterprise Linux OpenStack Platform 6 (Juno) ceph Red Hat Enterprise Linux OpenStack Platform 6 (Juno) Installer ceph Red Hat OpenStack Platform 10 (Newton) puppet-ceph
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

4.34% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • tracker.ceph.com http://tracker.ceph.com/issues/18187 referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9579 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • Red Hat ceph

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.