漏洞信息
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Vulnerability Title
Coturn: uint16_t truncation overflow in STUN message length causes TCP stream framing bypass
Vulnerability Description
Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.15.0, an unauthenticated remote client can send a STUN message over TCP or TLS with a body-length field from 65520 through 65532, causing the uint16_t len variable in stun_get_message_len_str() in src/client/ns_turn_msg.c to wrap when STUN_HEADER_LENGTH is added. The framing layer then consumes only 4 through 16 bytes, treats the remaining bytes as another message, desynchronizes the stream parser, and drops the attacking client's connection. Other clients and the server process are not affected. This issue is fixed in version 4.15.0.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Vulnerability Type
整数溢出或超界折返
Vulnerability Title
Coturn 数字错误漏洞
Vulnerability Description
Coturn是Coturn组织开源的一款实现TURN协议的服务器软件。 Coturn 4.15.0之前版本存在数字错误漏洞,该漏洞源于src/client/ns_turn_msg.c文件中的stun_get_message_len_str()函数对STUN消息body-length字段处理不当导致整数溢出,可能允许未经身份验证的远程攻击者通过TCP或TLS发送特制STUN消息,导致流解析器失步并断开攻击客户端连接,造成拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A