漏洞信息
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Vulnerability Title
etcd: Watch API authorization bypass via open-ended range requests
Vulnerability Description
etcd is a distributed key-value store for the data of a distributed system. Prior to versions 3.5.33, 3.6.14, and 3.7.1, a user granted READ permission on a single exact key can use the Watch gRPC API with clientv3.WithFromKey() to receive watch events for every key lexicographically greater than or equal to the permitted key. In server/etcdserver/api/v3rpc/watch.go, the open-ended RangeEnd sentinel is rewritten before the RBAC permission check in server/auth/range_perm_cache.go function isRangeOpPermitted, causing the request to be treated as an exact-key watch. Range/Get and DeleteRange requests are not affected, and the issue affects only clusters with authentication enabled. This issue is fixed in versions 3.5.33, 3.6.14, and 3.7.1.
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Vulnerability Type
授权机制不正确
Vulnerability Title
etcd-io etcd 授权问题漏洞
Vulnerability Description
etcd-io etcd是etcd-io团队的一款分布式键值存储系统。 etcd-io etcd 3.5.33之前版本、3.6.0至3.6.14之前版本和3.7.0-alpha.0至3.7.1之前版本存在授权问题漏洞,该漏洞源于RBAC权限检查前重写RangeEnd哨兵,可能导致拥有单个键读权限的用户通过Watch gRPC API获取字典序更大的所有键的watch事件。
CVSS Information
N/A
Vulnerability Type
N/A