Replay Attack Vulnerability in Ceph Client Authentication Protocol by Ceph

CVE-2018-1128

Summary

The Ceph software's cephx authentication protocol is exposed to a serious flaw due to inadequate verification of ceph clients. This vulnerability enables an attacker with access to the ceph cluster network to intercept and replay authentication requests. By capturing packets, the adversary could impersonate legitimate ceph clients, potentially gaining unauthorized access to ceph services and executing actions permitted within the environment. The flaw affects various branches, including master, mimic, luminous, and jewel, raising significant security concerns.

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