漏洞信息
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Vulnerability Title
PJSIP: Heap overflow in the HTTP client
Vulnerability Description
PJSIP is a free and open source multimedia communication library written in C. Prior to commit 8d5956a, a heap buffer overflow exists in the PJLIB-UTIL HTTP client (http_client.c) when buffering an HTTP response body. This affects applications that use the PJLIB-UTIL HTTP client to receive a whole response body at once (a completion callback with no incremental on_data_read callback). When growing the response buffer, an incorrect size calculation based on the server-supplied Content-Length can leave the buffer too small, causing response data to be written past the end of the allocation. A malicious or man-in-the-middle HTTP server can trigger this with a crafted response; impact may range from unexpected application termination to memory corruption. Applications that consume the response incrementally (via on_data_read), or that only connect to trusted servers, are not affected. This issue has been patched via commit 8d5956a.
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
Vulnerability Type
堆缓冲区溢出
Vulnerability Title
PJSIP 缓冲区错误漏洞
Vulnerability Description
PJSIP是pjsip团队开源的一款支持多种协议的多媒体通信中间件。 PJSIP 8d5956a之前版本存在缓冲区错误漏洞,该漏洞源于PJLIB-UTIL HTTP客户端在缓冲HTTP响应体时基于Content-Length的错误大小计算,导致堆缓冲区溢出,恶意或中间人HTTP服务器可通过特制响应导致应用程序意外终止或内存损坏。
CVSS Information
N/A
Vulnerability Type
N/A