IBM AIX bellmail 有邮件用户代理本地栈溢出漏洞

BUGTRAQ ID: 26257 CVECAN ID: CVE-2007-4623 IBM AIX是一款商业性质的UNIX操作系统。 AIX的bellmail工具实现上存在缓冲区溢出漏洞，本地攻击者可能利用此漏洞提升权限。 AIX中所安装的bellmail程序中的sendrmt函数存在栈溢出漏洞，当用户试图使用“m”命令发送邮件时会调用该函数。在这个函数中，调用了一些sprintf以将用户提供的输入连接到静态字符串，但没有执行边界检查来确保所生成的字符串会适合栈上所分配的目标缓冲区，因此攻击者可以提供超长参数控制栈上数据和受影响进程，导致以root权限执行任意指令。 IBM AIX 5...

AIX 5.2 TL 10 : bos.net.tcp.client (U812065)

The remote host is missing AIX PTF U812065, which is related to the security of the package bos.net.tcp.client. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from AIX Security PTF U812065. The text itself is copyright C...

AIX 5.3 TL 6 : bos.net.tcp.client (U812719)

The remote host is missing AIX PTF U812719, which is related to the security of the package bos.net.tcp.client. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from AIX Security PTF U812719. The text itself is copyright C...

CVE-2007-4623

CVE-2007-4623 is a local stack-based buffer overflow in the bellmail utility on IBM AIX 5.2/5.3. The vulnerability exists in the bellmail/sendrmt function, where user input is concatenated with static strings using sprintf without proper bounds checking, allowing a local attacker to overflow the ...