Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Multiple buffer overflows in Exim before 4.43 may allow attackers to execute arbitrary code via (1) an IPv6 address with more than 8 components, as demonstrated using the -be command line option, which triggers an overflow in the host_aton function, or (2) the -bh command line option or dnsdb PTR lookup, which triggers an overflow in the dns_build_reverse function.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Exim host_aton本地缓冲区溢出漏洞
Vulnerability Description
Exim host_aton函数中存在一个边界检查不充分问题，本地攻击者可以利用这个漏洞对程序进行缓冲区溢出攻击，可能以进程权限执行任意指令。 host_aton函数没有充分过滤存储在固定大小数组中的元素个数，而这个元素来自用户控制的字符串，并由命令行选项传递，精心构建字符串数据，可能以进程权限执行任意指令。
CVSS Information
N/A
Vulnerability Type
N/A