CVE-2018-1129

ceph: cephx uses weak signatures

Published Jul 10, 2018 CVSS 3.0 · 6.5 Medium EPSS 1.9% KEV · Not listed
Description
A flaw was found in the way signature calculation was handled by cephx authentication protocol. An attacker having access to ceph cluster network who is able to alter the message payload was able to bypass signature checks done by cephx protocol. Ceph branches master, mimic, luminous and jewel are believed to be vulnerable.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-1715-1 linux-4.9 security update
Debian DSA Debian DSA DSA-4339-1 ceph security update
EUVD EUVD EUVD-2018-11773 A flaw was found in the way signature calculation was handled by cephx authentication protocol. An attacker having access to ceph cluster network who is able to alter the message payload was able to bypass signature checks done by cephx protocol. Ceph branches master, mimic, luminous and jewel are believed to be vulnerable.
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00132}

epss

{'score': 0.00144}