Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Integer overflow in the ffs_mountfs function in FreeBSD 6.1 allows local users to cause a denial of service (panic) and possibly execute arbitrary code via a crafted UFS filesystem that causes invalid or large size parameters to be provided to the kmem_alloc function. NOTE: a third party states that this issue does not cross privilege boundaries in FreeBSD because only root may mount a filesystem.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
FreeBSD UFS文件系统本地整数溢出漏洞
Vulnerability Description
FreeBSD就是一种运行在Intel平台上、可以自由使用的开放源码Unix类系统。 FreeBSD 6.1内核的UFS文件系统处理代码没有正确的处理被破坏的数据结构，本地攻击者可能利用此漏洞导致整数溢出。 在加载特制的UFS文件分区时，攻击者可以直接控制所分配的内核内存数量，通过ffs_mountfs函数及之后对malloc、uma_large_malloc和page_alloc的调用控制对kmem_alloc()所传送的值。很大的或无效的大小参数会导致内核忙碌。如果从文件系统流拷贝了用户所控制数据的话
CVSS Information
N/A
Vulnerability Type
N/A