Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The ath_beacon_config function in if_ath.c in MadWifi before 0.9.3.1 allows remote attackers to cause a denial of service (system crash) via crafted beacon interval information when scanning for access points, which triggers a divide-by-zero error.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
MadWifi "if_ath.c"文件远程拒绝服务漏洞
Vulnerability Description
MadWifi全称是Multiband Atheros Driver for Wifi,是使用Atheros系列芯片的802.11a/b/g无线网卡在Linux下的驱动程序。 MadWifi驱动实现上存在多个设计问题,远程攻击者可能利用这些漏洞导致拒绝服务。 在madwifi/ath组件中if_ath.c文件的ath_beacon_config()函数使用howmany宏执行除法运算。这个宏没有确保参数(分母intval)不为0,因此攻击者可以使用畸形的报文触发将0做为除数的情况。
CVSS Information
N/A
Vulnerability Type
N/A