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An issue was discovered in OpenAFS before 1.6.23 and 1.8.x before 1.8.2. The backup tape controller (butc) process accepts incoming RPCs but does not require (or allow for) authentication of those RPCs. Handling those RPCs results in operations being performed with administrator credentials, including dumping/restoring volume contents and manipulating the backup database. For example, an unauthenticated attacker can replace any volume's content with arbitrary data.

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OpenAFS 安全漏洞

OpenAFS是一套分布式文件系统，它允许系统之间通过局域网和广域网来分享档案和资源。 OpenAFS 1.6.23之前版本和1.8.2之前的1.8.x版本中存在安全漏洞，该漏洞源于backup tape控制器进程没有对进入的RPCs要求身份验证。攻击者可利用该漏洞借助管理员凭证执行操作，转储/存储卷内容并操纵备份数据库。

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