Description
In Ceph before 12.2.3 and 13.x through 13.0.1, the rgw_civetweb.cc RGWCivetWeb::init_env function in radosgw doesn't handle malformed HTTP headers properly, allowing for denial of service.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Ceph Storage 3 | ceph +24 | 2:12.2.1-46.el7cp | RHSA-2018:0546 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | ceph | 12.2.5+git.1524775272.5e7ea8cf03-2.7.1 | SUSE-SU-2018:1417-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | ceph | 12.2.5+git.1524775272.5e7ea8cf03-2.7.1 | SUSE-SU-2018:1417-1 |
| SUSE Enterprise Storage 5 | ceph | 12.2.5+git.1524775272.5e7ea8cf03-2.13.3 | SUSE-SU-2018:1576-1 |
| SUSE Enterprise Storage 4 | ceph +1 | 10.2.11+git.1531487710.3a12911a2e-12.14.2 | SUSE-SU-2018:2299-1 |
Advisories 4
- RHSA-2018:0546 Red Hat Security Advisory: ceph security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- SUSE-SU-2018:1576-1 Security update for ceph SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1417-1 Security update for ceph SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2299-1 Security update for ceph SUSE / openSUSE Security Updates · May 2, 2025
References
- RHSA-2018:0546 vendor-advisory
- https://github.com/ceph/ceph/pull/20488
- http://tracker.ceph.com/issues/23039
- https://bugzilla.redhat.com/show_bug.cgi?id=1546611
- RHSA-2018:0548 vendor-advisory
- FEDORA-2018-ed907ef9a0 vendor-advisory