漏洞信息
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Vulnerability Title
OpenSIPS: OOB Read in Multipart Body Boundary Parsing
Vulnerability Description
OpenSIPS is a Session Initiation Protocol (SIP) server implementation. In versions prior to 3.6.6 and 4.0.0-rc1, the find_line_delimiter() function in the multipart body parser performs an out-of-bounds read via strncmp() when searching for MIME boundary delimiters. After finding a -- pattern near the end of the body, the function compares delimiter.len bytes (typically 20-70) starting from a position at or past the logical end of the body buffer, reading past the body boundary. The bug triggers when a SIP message has Content-Type: multipart/mixed with a boundary parameter and its body contains -- within two to three bytes of the body's end without being followed by the actual boundary delimiter. This issue has been fixed in versions 3.6.6 and 4.0.0-rc1.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Vulnerability Type
跨界内存读
Vulnerability Title
OpenSIPS 缓冲区错误漏洞
Vulnerability Description
OpenSIPS是OpenSIPS组织开源的一个 GPL 许可的 SIP 服务器实现。 OpenSIPS 3.6.6之前版本和4.0.0-rc1之前版本存在缓冲区错误漏洞,该漏洞源于multipart body parser中的find_line_delimiter()函数通过strncmp()搜索MIME边界分隔符时存在越界读取,可能导致越界读取。
CVSS Information
N/A
Vulnerability Type
N/A