CVE-2023-28096— OpenSIPS 安全漏洞

OpenSIPS has memory leak in cJSON lib

OpenSIPS, a Session Initiation Protocol (SIP) server implementation, has a memory leak starting in the 2.3 branch and priot to versions 3.1.8 and 3.2.5. The memory leak was detected in the function `parse_mi_request` while performing coverage-guided fuzzing. This issue can be reproduced by sending multiple requests of the form `{"jsonrpc": "2.0","method": "log_le`. This malformed message was tested against an instance of OpenSIPS via FIFO transport layer and was found to increase the memory consumption over time. To abuse this memory leak, attackers need to reach the management interface (MI) which typically should only be exposed on trusted interfaces. In cases where the MI is exposed to the internet without authentication, abuse of this issue will lead to memory exhaustion which may affect the underlying system’s availability. No authentication is typically required to reproduce this issue. On the other hand, memory leaks may occur in other areas of OpenSIPS where the cJSON library is used for parsing JSON objects. The issue has been fixed in versions 3.1.8 and 3.2.5.

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H

在移除最后引用时对内存的释放不恰当(内存泄露)

OpenSIPS 安全漏洞

OpenSIPS是OpenSIPS 个人开发者的一个 GPL 许可的 SIP 服务器实现。 OpenSIPS 2.3版本至3.2版本存在安全漏洞，该漏洞源于通过函数parse_mi_request检测到存在内存泄漏问题。

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