What’s Vulnerable › Vulnerabilities

CVE-2018-7262

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-03-19 · updated 2026-06-17
• Weakness: CWE-476

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.

Affected products

• Fedoraproject Fedora: 27
• ceph: before 12.2.3; 13.0.0, 13.0.1 — fixed in 12.2.3

How to fix

Upgrade to a fixed version: ceph 12.2.3. Check the vendor advisory for mitigations.

References

• http://tracker.ceph.com/issues/23039
• https://access.redhat.com/errata/RHSA-2018:0546
• https://access.redhat.com/errata/RHSA-2018:0548
• https://bugzilla.redhat.com/show_bug.cgi?id=1546611
• https://github.com/ceph/ceph/pull/20488
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/74VI6EPZ6LD2O4JJXJBTYQ4U4VUO2ZDO/
• http://tracker.ceph.com/issues/23039
• https://access.redhat.com/errata/RHSA-2018:0546
• https://access.redhat.com/errata/RHSA-2018:0548
• https://bugzilla.redhat.com/show_bug.cgi?id=1546611
• https://github.com/ceph/ceph/pull/20488
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/74VI6EPZ6LD2O4JJXJBTYQ4U4VUO2ZDO/

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