漏洞信息
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Vulnerability Title
FreeSWITCH: Pre-authentication heap buffer overflow in `mod_verto` HTTP POST body read
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, the mod_verto HTTP request handler allocates a fixed 2 MiB buffer for a POST application/x-www-form-urlencoded body but accepts Content-Length up to just under 10 MiB. The body-read loop is bounded by Content-Length rather than the buffer size, producing an attacker-controlled heap overflow of up to ~8 MiB -- before the HTTP basic-auth check runs. 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:H/I:H/A:H
Vulnerability Type
堆缓冲区溢出
Vulnerability Title
FreeSWITCH 安全漏洞
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之前版本存在安全漏洞,该漏洞源于mod_verto HTTP请求处理程序为POST application/x-www-form-urlencoded主体分配了固定的2 MiB缓冲区,但接受Content-Length高达近10 MiB,主体读取循环受Content-Length限制而非缓冲区大小,在HTTP基本身份验证
CVSS Information
N/A
Vulnerability Type
N/A