漏洞信息
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Vulnerability Title
Ceph Monitor subscription handler improperly authorizes config-key store reads, exposing cluster secrets to read-only users
Vulnerability Description
Ceph is an open-source distributed storage platform providing object, block, and file storage. In versions prior to 20.2.4 and 19.2.6, the Monitor subscription handler fails to properly authorize access to the configuration-key store, allowing any CephX user with only `mon allow r` capabilities to read the entire store by sending a single crafted MMonSubscribe message. The config-key store holds sensitive secrets including OSD LUKS disk-encryption passphrases and, on cephadm-managed clusters, the SSH private key that cephadm uses to reach every host in the cluster. Because that key grants root on every node under the default cephadm configuration, a low-privileged read-only account can escalate to full cluster and host compromise. This issue is fixed in versions 20.2.4 and 19.2.6
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L
Vulnerability Type
授权机制不恰当
Vulnerability Title
Ceph 授权问题漏洞
Vulnerability Description
Ceph是Ceph社区开源的一款分布式存储系统。 Ceph 20.2.4之前版本和19.2.6之前版本存在授权问题漏洞,该漏洞源于Monitor订阅处理器未能正确授权访问配置密钥存储,可能允许仅具有`mon allow r`权限的CephX用户通过发送特制MMonSubscribe消息读取整个存储,导致敏感信息泄露和权限提升。
CVSS Information
N/A
Vulnerability Type
N/A