CVE-2016-9579
A flaw was found in the way Ceph Object Gateway would process cross-origin HTTP requests if the...
CVE-2016-9579 is a medium vulnerability (CVSS 6.5) in Ceph, published December 12, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.34%, the 91st percentile. Fixed in ceph 10.2.5-2.
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
6.5
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.
- Record
CVE-2016-9579- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2016-10385
6.5
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.
- Record
EUVD-2016-10385- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2594-xrq4-4jm3
7.5
A flaw was found in the way Ceph Object Gateway would process cross-origin HTTP requests if the...
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.
- Record
GHSA-2594-xrq4-4jm3- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
6.5
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.
- Record
CVE-2016-9579- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
OSV
7.5
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.
- Record
CVE-2016-9579- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2016-9579
7.5
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.
- Record
DEBIAN-CVE-2016-9579- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Show 6 moreShow less
OSVRHSA-2016:2954
6.5
Red Hat Security Advisory: Red Hat Ceph Storage 2.1 security and bug fix update
- Record
RHSA-2016:2954- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVRHSA-2016:2994
6.5
Red Hat Security Advisory: Red Hat Ceph Storage 1.3 security update
- Record
RHSA-2016:2994- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2016-9579
7.5
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.
- Record
UBUNTU-CVE-2016-9579- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVSUSE-SU-2017:1479-1 No score
Security update for ceph
This update provides Ceph 10.2.6, which brings fixes and enhancements:
This security issue was fixed:
- CVE-2016-9579: Do not abort RGW server when accepting a CORS request with short origin. (bsc#1014986)
These non-security issues were fixed:
- common: Add rdbmap to ceph-common. (bsc#1029482)
- tools/rados: Default to include clone objects when executing 'cache-flush-evict-all'. (bsc#1003891)
- mon, ceph-disk: Add lockbox permissions to bootstrap-osd. (bsc#1008435)
- ceph_volume_client: Fix _recover_auth_meta() method. (bsc#1008501)
- systemd/ceph-disk: Reduce ceph-disk flock contention. (bsc#1012100)
- doc: Add verbiage to rbdmap manpage. (bsc#1015748)
- doc: Add Install section to systemd rbdmap.service file. (bsc#1015748)
- doc: Remove references to mds destroy from ceph-deploy man page. (bsc#970642)
- Record
SUSE-SU-2017:1479-1- Updated
- 2026-11-02
OSVSUSE-SU-2017:3171-1 No score
Security update for ceph
This update provides Ceph 10.2.10, which brings fixes and enhancements:
This security issue was fixed:
- CVE-2017-7519: libradosstriper processes arbitrary printf placeholders in user input. (bsc#1043767)
- CVE-2016-9579: Do not abort RGW server when accepting a CORS request with short origin. (bsc#1014986)
These non-security issues were fixed:
- common: Add rdbmap to ceph-common. (bsc#1029482)
- tools/rados: Default to include clone objects when executing 'cache-flush-evict-all'. (bsc#1003891)
- mon, ceph-disk: Add lockbox permissions to bootstrap-osd. (bsc#1008435)
- ceph_volume_client: Fix _recover_auth_meta() method. (bsc#1008501)
- systemd/ceph-disk: Reduce ceph-disk flock contention. (bsc#1012100)
- doc: Add verbiage to rbdmap manpage. (bsc#1015748)
- doc: Add Install section to systemd rbdmap.service file. (bsc#1015748)
- ceph systemd dependencies are wrong (bsc#1042973)
- ceph-disk omits '--runtime' when enabling ceph-osd units (was: ERROR: unable to open OSD superblock) (bsc#1051598)
- SES4: 23 osd's are down after patching node. (bsc#1056536)
- Invalid error code returned by MDS is causing a kernel client WARNING (bsc#1028109)
- systemctl stop rbdmap unmaps ALL rbds and not just the ones in /etc/ceph/rbdmap (bsc#1024691)
- documentation: man crushtool does not cover the '--show-mappings' parameter (bsc#1033786)
- swift | This returns with HTTP/1.1 401 Unauthorized (bsc#1015371)
- OSDs fail to start after server reboot (bsc#1025643)
- 'ceph-deploy mds destroy' not implemented (bsc#970642)
- Record
SUSE-SU-2017:3171-1- Updated
- 2026-11-02
OSVUSN-3452-1 No score
ceph vulnerabilities
It was discovered that Ceph incorrectly handled the handle_command function. A remote authenticated user could use this issue to cause Ceph to crash, resulting in a denial of service. (CVE-2016-5009)
Rahul Aggarwal discovered that Ceph incorrectly handled the authenticated-read ACL. A remote attacker could possibly use this issue to list bucket contents via a URL. (CVE-2016-7031)
Diluga Salome discovered that Ceph incorrectly handled certain POST objects with null conditions. A remote attacker could possibly use this issue to cuase Ceph to crash, resulting in a denial of service. (CVE-2016-8626)
Yang Liu discovered that Ceph incorrectly handled invalid HTTP Origin headers. A remote attacker could possibly use this issue to cuase Ceph to crash, resulting in a denial of service. (CVE-2016-9579)
- Record
USN-3452-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
cephDebian:12 |
before 10.2.5-2 | 10.2.5-2 |
cephDebian:13 |
before 10.2.5-2 | 10.2.5-2 |
cephDebian:14 |
before 10.2.5-2 | 10.2.5-2 |
cephRed Hat:ceph_storage:2::el7 |
before 1:10.2.3-17.el7cp | 1:10.2.3-17.el7cp |
ceph-baseRed Hat:ceph_storage:2::el7 |
before 1:10.2.3-17.el7cp | 1:10.2.3-17.el7cp |
ceph-commonRed Hat:ceph_storage:2::el7 |
before 1:10.2.3-17.el7cp | 1:10.2.3-17.el7cp |
ceph-debuginfoRed Hat:ceph_storage:2::el7 |
before 1:10.2.3-17.el7cp | 1:10.2.3-17.el7cp |
ceph-fuseRed Hat:ceph_storage:2::el7 |
before 1:10.2.3-17.el7cp | 1:10.2.3-17.el7cp |
ceph-mdsRed Hat:ceph_storage:2::el7 |
before 1:10.2.3-17.el7cp | 1:10.2.3-17.el7cp |
ceph-radosgwRed Hat:ceph_storage:2::el7 |
before 1:10.2.3-17.el7cp | 1:10.2.3-17.el7cp |
Show 35 moreShow less
| Package | Affected | Fixed |
|---|---|---|
ceph-selinuxRed Hat:ceph_storage:2::el7 |
before 1:10.2.3-17.el7cp | 1:10.2.3-17.el7cp |
libcephfs1Red Hat:ceph_storage:2::el7 |
before 1:10.2.3-17.el7cp | 1:10.2.3-17.el7cp |
libcephfs1-develRed Hat:ceph_storage:2::el7 |
before 1:10.2.3-17.el7cp | 1:10.2.3-17.el7cp |
librados2Red Hat:ceph_storage:2::el7 |
before 1:10.2.3-17.el7cp | 1:10.2.3-17.el7cp |
librados2-develRed Hat:ceph_storage:2::el7 |
before 1:10.2.3-17.el7cp | 1:10.2.3-17.el7cp |
librbd1Red Hat:ceph_storage:2::el7 |
before 1:10.2.3-17.el7cp | 1:10.2.3-17.el7cp |
librbd1-develRed Hat:ceph_storage:2::el7 |
before 1:10.2.3-17.el7cp | 1:10.2.3-17.el7cp |
librgw2Red Hat:ceph_storage:2::el7 |
before 1:10.2.3-17.el7cp | 1:10.2.3-17.el7cp |
librgw2-develRed Hat:ceph_storage:2::el7 |
before 1:10.2.3-17.el7cp | 1:10.2.3-17.el7cp |
python-cephfsRed Hat:ceph_storage:2::el7 |
before 1:10.2.3-17.el7cp | 1:10.2.3-17.el7cp |
python-radosRed Hat:ceph_storage:2::el7 |
before 1:10.2.3-17.el7cp | 1:10.2.3-17.el7cp |
python-rbdRed Hat:ceph_storage:2::el7 |
before 1:10.2.3-17.el7cp | 1:10.2.3-17.el7cp |
rbd-mirrorRed Hat:ceph_storage:2::el7 |
before 1:10.2.3-17.el7cp | 1:10.2.3-17.el7cp |
ceph-monRed Hat:ceph_storage:2::el7 |
before 1:10.2.3-17.el7cp | 1:10.2.3-17.el7cp |
ceph-testRed Hat:ceph_storage:2::el7 |
before 1:10.2.3-17.el7cp | 1:10.2.3-17.el7cp |
ceph-osdRed Hat:ceph_storage:2::el7 |
before 1:10.2.3-17.el7cp | 1:10.2.3-17.el7cp |
cephRed Hat:ceph_storage:1.3::el7 |
before 1:0.94.9-9.el7cp | 1:0.94.9-9.el7cp |
ceph-commonRed Hat:ceph_storage:1.3::el7 |
before 1:0.94.9-9.el7cp | 1:0.94.9-9.el7cp |
ceph-debuginfoRed Hat:ceph_storage:1.3::el7 |
before 1:0.94.9-9.el7cp | 1:0.94.9-9.el7cp |
ceph-radosgwRed Hat:ceph_storage:1.3::el7 |
before 1:0.94.9-9.el7cp | 1:0.94.9-9.el7cp |
ceph-selinuxRed Hat:ceph_storage:1.3::el7 |
before 1:0.94.9-9.el7cp | 1:0.94.9-9.el7cp |
librados2Red Hat:ceph_storage:1.3::el7 |
before 1:0.94.9-9.el7cp | 1:0.94.9-9.el7cp |
librados2-develRed Hat:ceph_storage:1.3::el7 |
before 1:0.94.9-9.el7cp | 1:0.94.9-9.el7cp |
librbd1Red Hat:ceph_storage:1.3::el7 |
before 1:0.94.9-9.el7cp | 1:0.94.9-9.el7cp |
librbd1-develRed Hat:ceph_storage:1.3::el7 |
before 1:0.94.9-9.el7cp | 1:0.94.9-9.el7cp |
python-radosRed Hat:ceph_storage:1.3::el7 |
before 1:0.94.9-9.el7cp | 1:0.94.9-9.el7cp |
python-rbdRed Hat:ceph_storage:1.3::el7 |
before 1:0.94.9-9.el7cp | 1:0.94.9-9.el7cp |
ceph-monRed Hat:ceph_storage:1.3::el7 |
before 1:0.94.9-9.el7cp | 1:0.94.9-9.el7cp |
ceph-testRed Hat:ceph_storage:1.3::el7 |
before 1:0.94.9-9.el7cp | 1:0.94.9-9.el7cp |
ceph-osdRed Hat:ceph_storage:1.3::el7 |
before 1:0.94.9-9.el7cp | 1:0.94.9-9.el7cp |
cephSUSE:Enterprise Storage 4 |
before 10.2.6+git.1490339825.57146d8-11.7 | 10.2.6+git.1490339825.57146d8-11.7 |
ceph-testSUSE:Enterprise Storage 4 |
before 10.2.6+git.1490339825.57146d8-11.7 | 10.2.6+git.1490339825.57146d8-11.7 |
cephSUSE:Enterprise Storage 3 |
before 10.2.10+git.1510313171.6d5f0aeac1-13.7.3 | 10.2.10+git.1510313171.6d5f0aeac1-13.7.3 |
ceph-testSUSE:Enterprise Storage 3 |
before 10.2.10+git.1510313171.6d5f0aeac1-13.7.2 | 10.2.10+git.1510313171.6d5f0aeac1-13.7.2 |
cephUbuntu:14.04:LTS |
before 0.80.11-0ubuntu1.14.04.3, plus listed versions 0.67.4-0ubuntu20.67.4-0ubuntu30.72-0ubuntu10.72.1-0ubuntu10.72.1-2 Show 16 moreShow less0.72.1-30.72.2-10.72.2-20.78-0ubuntu10.79-0ubuntu10.80.1-0ubuntu10.80.1-0ubuntu1.10.80.5-0ubuntu0.14.04.10.80.7-0ubuntu0.14.04.10.80.9-0ubuntu0.14.04.10.80.9-0ubuntu0.14.04.20.80.10-0ubuntu0.14.04.10.80.10-0ubuntu1.14.04.20.80.10-0ubuntu1.14.04.30.80.11-0ubuntu1.14.04.10.80.11-0ubuntu1.14.04.2 |
0.80.11-0ubuntu1.14.04.3 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases, products | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
rhn.redhat.com/errata/RHSA-2016-2954.html
rhn.redhat.com/errata/RHSA-2016-2995.html
securityfocus.com/bid/94936
rhn.redhat.com/errata/RHSA-2016-2994.html
tracker.ceph.com/issues/18187
rhn.redhat.com/errata/RHSA-2016-2956.html
Show 43 moreShow less
bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9579
nvd.nist.gov/vuln/detail/CVE-2016-9579
access.redhat.com/errata/RHSA-2016:2954
access.redhat.com/errata/RHSA-2016:2956
access.redhat.com/errata/RHSA-2016:2994
access.redhat.com/errata/RHSA-2016:2995
access.redhat.com/security/cve/CVE-2016-9579
bugzilla.redhat.com/show_bug.cgi?id=1403245
github.com/advisories/GHSA-2594-xrq4-4jm3
security-tracker.debian.org/tracker/CVE-2016-9579
access.redhat.com/security/updates/classification
bugzilla.redhat.com/show_bug.cgi?id=1394007
bugzilla.redhat.com/show_bug.cgi?id=1402185
bugzilla.redhat.com/show_bug.cgi?id=1403003
security.access.redhat.com/data/csaf/v2/advisories/2016/rhsa-2016_2954.json
cve.org/CVERecord?id=CVE-2016-9579
security.access.redhat.com/data/csaf/v2/advisories/2016/rhsa-2016_2994.json
suse.com/support/update/announcement/2017/suse-su-20171479-1
bugzilla.suse.com/1003891
bugzilla.suse.com/1008435
bugzilla.suse.com/1008501
bugzilla.suse.com/1012100
bugzilla.suse.com/1014986
bugzilla.suse.com/1015748
bugzilla.suse.com/1029482
bugzilla.suse.com/970642
suse.com/security/cve/CVE-2016-9579
suse.com/support/update/announcement/2017/suse-su-20173171-1
bugzilla.suse.com/1015371
bugzilla.suse.com/1024691
bugzilla.suse.com/1025643
bugzilla.suse.com/1028109
bugzilla.suse.com/1033786
bugzilla.suse.com/1042973
bugzilla.suse.com/1043767
bugzilla.suse.com/1051598
bugzilla.suse.com/1056536
suse.com/security/cve/CVE-2017-7519
ubuntu.com/security/CVE-2016-9579
ubuntu.com/security/notices/USN-3452-1
ubuntu.com/security/CVE-2016-5009
ubuntu.com/security/CVE-2016-7031
ubuntu.com/security/CVE-2016-8626