Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
ipfw in FreeBSD 5.4, when running on Symmetric Multi-Processor (SMP) or Uni Processor (UP) systems with the PREEMPTION kernel option enabled, does not sufficiently lock certain resources while performing table lookups, which can cause the cache results to be corrupted during multiple concurrent lookups, allowing remote attackers to bypass intended access restrictions.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
FreeBSD IPFW 绕过访问控制漏洞
Vulnerability Description
FreeBSD是一种运行在Intel平台上，可以自由使用的Unix系统。 运行于SMP或UP且启用PREEMPTION时，FreeBSD 5.4中的ipfw存在绕过检测漏洞。 由于在进行多个并行的表查询时，不能充分的锁定当前资源，缓存的结果可能被破坏，将导致出现不正确的匹配。这使得远程攻击者有可能绕过访问控制限制。
CVSS Information
N/A
Vulnerability Type
N/A