漏洞信息
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Vulnerability Title
Mastodon: Exhausting data by an unauthenticated request to the admin retention API
Vulnerability Description
Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.4.21, 4.5.14, 4.6.4, and 4.7.0-beta.1, the administrative statistics endpoints handled by Api::V1::Admin::MeasuresController and Api::V1::Admin::RetentionController checked authorization only after beginning expensive calculations. Anonymous callers could submit keys, start_at, and end_at parameters that caused long-running SQL queries in Admin::Metrics::Measure, Admin::Metrics::Retention, and Admin::Metrics::Dimension::BaseDimension, allowing repeated requests to exhaust server resources. This issue is fixed in versions 4.4.21, 4.5.14, 4.6.4, and 4.7.0-beta.1.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
不对称的资源消耗(放大攻击)
Vulnerability Title
Mastodon 资源管理错误漏洞
Vulnerability Description
Mastodon是Mastodon组织的一款去中心化社交网络服务器软件。 Mastodon 4.4.21之前版本、4.5.14之前版本、4.6.4之前版本和4.7.0-beta.1之前版本存在资源管理错误漏洞,该漏洞源于管理统计端点在开始高开销计算后才进行授权检查,可能导致匿名攻击者提交keys、start_at和end_at参数触发长时间SQL查询,并通过重复请求耗尽服务器资源。
CVSS Information
N/A
Vulnerability Type
N/A