NetBSD 'SMBIOC_OPENSESSION' IOCTL本地拒绝服务漏洞

Bugtraq ID: 44288 NetBSD是一款基于BSD的操作系统。 netsmb文件系统内核模块不正确检查缓冲区限制，普通用户可使内核分配过大的内部缓冲区去处理请求，导致内存耗竭。 ioctl SMBIOCOPENSESSION中的长度参数为有符号类型，没有检查负值。 NetBSD 5.0.2 NetBSD 4.0.1 NetBSD 5.0 NetBSD 4.0 厂商解决方案 已经修补的源文件可从NetBSD CVS库中获得： CVS branch file revision ------------- ---------------- ----------- HEAD...

CVE-2010-2530

Multiple integer signedness errors in smbsubr.c in the netsmb module in the kernel in NetBSD 5.0.2 and earlier, FreeBSD, and Apple Mac OS X allow local users to cause a denial of service panic via a negative size value in a /dev/nsmb ioctl operation, as demonstrated by a 1 SMBIOCLOOKUP or 2...

Integer overflow

Multiple integer signedness errors in smbsubr.c in the netsmb module in the kernel in NetBSD 5.0.2 and earlier, FreeBSD, and Apple Mac OS X allow local users to cause a denial of service panic via a negative size value in a /dev/nsmb ioctl operation, as demonstrated by a 1 SMBIOCLOOKUP or 2...