FreeBSD Multiple Local Kernel Memory Disclosure Vulnerabilit

漏洞名称： FreeBSD Multiple Local Kernel Memory Disclosure Vulnerabilities
漏洞编号： ICST-CA-2005-077
漏洞说明： FreeBSD被指出存在数个核心记忆体内容外泄的漏洞，原因来自于核心没有正确清除之前使用的记忆体缓冲区，就将这些缓冲区挪至user-space使用。泄漏的资料可以帮助骇客进行对系统的攻击行动。


影响平台： FreeBSD FreeBSD 4.0 .x
FreeBSD FreeBSD 4.0 -RELENG
FreeBSD FreeBSD 4.0 alpha
FreeBSD FreeBSD 4.0
FreeBSD FreeBSD 4.1
FreeBSD FreeBSD 4.1.1 -STABLE
FreeBSD FreeBSD 4.1.1 -RELEASE
FreeBSD FreeBSD 4.1.1
FreeBSD FreeBSD 4.2 -STABLEpre122300
FreeBSD FreeBSD 4.2 -STABLEpre050201
FreeBSD FreeBSD 4.2 -STABLE
FreeBSD FreeBSD 4.2 -RELEASE
FreeBSD FreeBSD 4.2
FreeBSD FreeBSD 4.3 -STABLE
FreeBSD FreeBSD 4.3 -RELENG
FreeBSD FreeBSD 4.3 -RELEASE-p38
FreeBSD FreeBSD 4.3 -RELEASE
FreeBSD FreeBSD 4.3
FreeBSD FreeBSD 4.4 -STABLE
FreeBSD FreeBSD 4.4 -RELENG
FreeBSD FreeBSD 4.4 -RELENG
FreeBSD FreeBSD 4.4 -RELEASE-p42
FreeBSD FreeBSD 4.4
FreeBSD FreeBSD 4.5 -STABLEpre2002-03-07
FreeBSD FreeBSD 4.5 -STABLE
FreeBSD FreeBSD 4.5 -RELENG
FreeBSD FreeBSD 4.5 -RELEASE-p32
FreeBSD FreeBSD 4.5 -RELEASE
FreeBSD FreeBSD 4.5
FreeBSD FreeBSD 4.6 -STABLE
FreeBSD FreeBSD 4.6 -RELENG
FreeBSD FreeBSD 4.6 -RELEASE-p20
FreeBSD FreeBSD 4.6 -RELEASE
FreeBSD FreeBSD 4.6
FreeBSD FreeBSD 4.6.2
FreeBSD FreeBSD 4.7 -STABLE
FreeBSD FreeBSD 4.7 -RELENG
FreeBSD FreeBSD 4.7 -RELEASE-p17
FreeBSD FreeBSD 4.7 -RELEASE
FreeBSD FreeBSD 4.7
FreeBSD FreeBSD 4.8 -RELENG
FreeBSD FreeBSD 4.8 -RELEASE-p7
FreeBSD FreeBSD 4.8 -PRERELEASE
FreeBSD FreeBSD 4.8
FreeBSD FreeBSD 4.9 -RELENG
FreeBSD FreeBSD 4.9 -PRERELEASE
FreeBSD FreeBSD 4.9
FreeBSD FreeBSD 4.10 -RELENG
FreeBSD FreeBSD 4.10 -RELEASE-p8
FreeBSD FreeBSD 4.10 -RELEASE
FreeBSD FreeBSD 4.10
FreeBSD FreeBSD 4.11 -STABLE
FreeBSD FreeBSD 4.11 -RELENG
FreeBSD FreeBSD 4.11 -RELEASE-p3
FreeBSD FreeBSD 5.0 -RELENG
FreeBSD FreeBSD 5.0 -RELEASE-p14
FreeBSD FreeBSD 5.0 alpha
FreeBSD FreeBSD 5.0
FreeBSD FreeBSD 5.1 -RELENG
FreeBSD FreeBSD 5.1 -RELEASE/Alpha
FreeBSD FreeBSD 5.1 -RELEASE-p5
FreeBSD FreeBSD 5.1 -RELEASE
FreeBSD FreeBSD 5.1
FreeBSD FreeBSD 5.2 -RELENG
FreeBSD FreeBSD 5.2 -RELEASE
FreeBSD FreeBSD 5.2
FreeBSD FreeBSD 5.2.1 -RELEASE
FreeBSD FreeBSD 5.3 -STABLE
FreeBSD FreeBSD 5.3 -RELENG
FreeBSD FreeBSD 5.3 -RELEASE
FreeBSD FreeBSD 5.3
FreeBSD FreeBSD 5.4 -PRERELEASE


影响状况： 核心记忆体内容外泄。


解决方案： FreeBSD 5.4-RELEASE已经修正该问题，其他版本请至参考资料网页下载对应版本的Patch。


参考资料： FreeBSD Multiple Local Kernel Memory Disclosure Vulnerabilities

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