漏洞信息
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Vulnerability Title
FreeSWITCH: Pre-authentication session eviction via attacker-chosen `sessid` in `mod_verto`
Vulnerability Description
FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, mod_verto's JSON-RPC handler bound the connection to the client-supplied sessid on the first frame, before the authentication gate. Binding inserts the connection into the global session hash and, on a key collision, drops the prior occupant of that slot — sending it a verto.punt, detaching its calls, and closing its socket. An unauthenticated network attacker who knows a target session UUID could therefore evict the legitimate client. This issue has been patched in version 1.11.1.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Vulnerability Type
认证机制不恰当
Vulnerability Title
FreeSWITCH 授权问题漏洞
Vulnerability Description
FreeSWITCH是美国Anthony Minessale个人开发者的研发的一套免费、开源的通信软件。该软件可用于创建音、视频以及短消息类产品和应用。 FreeSWITCH 1.11.1之前版本存在授权问题漏洞,该漏洞源于mod_verto的JSON-RPC处理程序在身份验证门之前将连接绑定到客户端提供的sessid,绑定将连接插入全局会话哈希,并在键冲突时丢弃该槽位的先前占用者,向其发送verto.punt、分离其呼叫并关闭其套接字,知道目标会话UUID的未经身份验证的网络攻击者因此可以驱逐合法客户端
CVSS Information
N/A
Vulnerability Type
N/A