Windows Expand-Down数据段本地权限提升漏洞(MS04-011)

漏洞信息详情

Windows Expand-Down数据段本地权限提升漏洞(MS04-011)

漏洞简介

Windows是微软开发的视窗操作系统。
Windows内核包含的NtSetLdtEntries API函数由于缺少充分的验证检查,本地攻击者可以利用这个漏洞提升权限。
问题是内核中两个独立但又有联系的漏洞引起的,第一个问题是NtSetLdtEntries API函数缺少充分验证,可绕过安全检查和可建立危险数据段。第二个问题是部分内核代码缺少过滤,用户代码传递一引用到恶意段
(使用 NtSetLdtEntries建立),可导致修改任意内存地址。
攻击者本地登录系统,可建立恶意LDT条目访问受保护的内存,造成权限提升,控制整个系统。

漏洞公告

厂商补丁:
Microsoft
———
Microsoft已经为此发布了一个安全公告(MS04-011)以及相应补丁:

MS04-011:Security Update for Microsoft Windows (835732)

链接:http://www.microsoft.com/technet/security/bulletin/MS04-011.mspx” target=”_blank”>
http://www.microsoft.com/technet/security/bulletin/MS04-011.mspx

补丁下载:

Microsoft Windows NT? Workstation 4.0 Service Pack 6a

http://www.microsoft.com/downloads/details.aspx?FamilyId=7F1713FC-F95C-43E5-B825-3CF72C1A0A3E&displaylang=en” target=”_blank”>
http://www.microsoft.com/downloads/details.aspx?FamilyId=7F1713FC-F95C-43E5-B825-3CF72C1A0A3E&displaylang=en

Microsoft Windows NT Server 4.0 Service Pack 6a

http://www.microsoft.com/downloads/details.aspx?FamilyId=67A6F461-D2FC-4AA0-957E-3B8DC44F9D79&displaylang=en” target=”_blank”>
http://www.microsoft.com/downloads/details.aspx?FamilyId=67A6F461-D2FC-4AA0-957E-3B8DC44F9D79&displaylang=en

Microsoft Windows NT Server 4.0 Terminal Server Edition Service Pack 6

http://www.microsoft.com/downloads/details.aspx?FamilyId=62CBA527-A827-4777-8641-28092D3AAE4F&displaylang=en” target=”_blank”>
http://www.microsoft.com/downloads/details.aspx?FamilyId=62CBA527-A827-4777-8641-28092D3AAE4F&displaylang=en

Microsoft Windows 2000 Service Pack 2, Microsoft Windows 2000 Service Pack 3, 和Microsoft Windows 2000 Service Pack 4 :

http://www.microsoft.com/downloads/details.aspx?FamilyId=0692C27E-F63A-414C-B3EB-D2342FBB6C00&displaylang=en” target=”_blank”>
http://www.microsoft.com/downloads/details.aspx?FamilyId=0692C27E-F63A-414C-B3EB-D2342FBB6C00&displaylang=en

参考网址

来源:US-CERT Vulnerability Note: VU#122076
名称: VU#122076
链接:http://www.kb.cert.org/vuls/id/122076

来源:US-CERT Technical Alert: TA04-104A
名称: TA04-104A
链接:http://www.us-cert.gov/cas/techalerts/TA04-104A.html

来源: EEYE
名称: AD20040413D
链接:http://www.eeye.com/html/Research/Advisories/AD20040413D.html

来源: MS
名称: MS04-011
链接:http://www.microsoft.com/technet/security/bulletin/ms04-011.asp

来源: FULLDISC
名称: 20040413 EEYE: Windows Expand-Down Data Segment Local Privilege Escalation
链接:http://lists.grok.org.uk/pipermail/full-disclosure/2004-April/020068.html

来源: XF
名称: win-ldt-gain-privileges(15707)
链接:http://xforce.iss.net/xforce/xfdb/15707

来源: BID
名称: 10122
链接:http://www.securityfocus.com/bid/10122

来源: CIAC
名称: O-114
链接:http://www.ciac.org/ciac/bulletins/o-114.shtml

来源: US Government Resource: oval:org.mitre.oval:def:911
名称: oval:org.mitre.oval:def:911
链接:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:911

来源: US Government Resource: oval:org.mitre.oval:def:890
名称: oval:org.mitre.oval:def:890
链接:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:890

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