Vulnerability Information
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Vulnerability Title
Kamailio Grammar Rule cfg.y yyerror_at null pointer dereference
Vulnerability Description
A vulnerability has been found in Kamailio 5.5. This affects the function yyerror_at of the file src/core/cfg.y of the component Grammar Rule Handler. Such manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed to the public and may be used. The actual existence of this vulnerability is currently in question. This attack requires manipulating config files which might not be a realistic scenario in many cases. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Vulnerability Type
空指针解引用
Vulnerability Title
Kamailio 代码问题漏洞
Vulnerability Description
Kamailio是Kamailio开源的一个 SIP 信令服务器的开源实现。 Kamailio 5.5版本存在代码问题漏洞，该漏洞源于文件src/core/cfg.y中函数yyerror_at存在空指针取消引用，可能导致本地攻击。
CVSS Information
N/A
Vulnerability Type
N/A