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Fencer Intel
high 7.5

CVE-2018-7262 json

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…

published 2018-03-19 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-18998

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

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.

Patch / fix

  • redhat ceph 12.2.3
  • ceph ceph storage 3 2:12.2.1-46.el7cp
  • librbd1 ceph storage 3 2:12.2.1-46.el7cp
  • librgw2 ceph storage 3 2:12.2.1-46.el7cp
  • ceph-mds ceph storage 3 2:12.2.1-46.el7cp
  • ceph-mgr ceph storage 3 2:12.2.1-46.el7cp
  • ceph-mon ceph storage 3 2:12.2.1-46.el7cp
  • ceph-osd ceph storage 3 2:12.2.1-46.el7cp
  • ceph-base ceph storage 3 2:12.2.1-46.el7cp

red hat advisories RHSA-2018:0546

  • ceph Enterprise Storage 4 10.2.11+git.1531487710.3a12911a2e-12.14.2
  • ceph-test Enterprise Storage 4 10.2.11+git.1531487710.3a12911a2e-12.14.2
  • ceph Enterprise Storage 5 12.2.5+git.1524775272.5e7ea8cf03-2.13.3
  • ceph SLES for SAP 12 SP3, SLES 12 SP3, SLED 12 SP3 +1 more 12.2.5+git.1524775272.5e7ea8cf03-2.7.1

suse advisories SUSE-SU-2018:2299-1SUSE-SU-2018:1576-1SUSE-SU-2018:1417-1

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-2018-7262 updated cvss 7.3

ceph: Unauthenticated malformed HTTP requests handled by rgw_civetweb.cc:RGW::init_env() can lead to denial of service

  • Red Hat Ceph Storage ceph 12.2.1-46.el7cp, librbd1 12.2.1-46.el7cp, librgw2 12.2.1-46.el7cp, ceph-mds 12.2.1-46.el7cp, ceph-mgr 12.2.1-46.el7cp, ceph-mon 12.2.1-46.el7cp, +15 more
    fixed: vendor fix RHSA-2018:0546
  • Red Hat Ceph Storage 3 for Ubuntu
    fixed: vendor fix RHSA-2018:0548
  • Red Hat Ceph Storage 1.3 ceph Red Hat Ceph Storage 2 ceph, librbd1, librgw2, ceph-mds, ceph-mon, ceph-osd, +12 more Red Hat Enterprise Linux 7 librbd1, librados2, python-rbd, ceph-common, python-rados Red Hat Enterprise Linux 8 librbd1, librados2, libcephfs2, libradosstriper1
    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

2.87% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
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

Classification

Weakness

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.