CVE-2021-34481— Microsoft Windows Print Spooler Components 缓冲区错误漏洞
一分钟漏洞结论
影响对象
Microsoft Windows 10 Version 1507
利用判断
存在公开或 AI PoC，应优先验证
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Microsoft Windows Print Spooler Components是美国微软（Microsoft）公司的一个打印后台处理程序组件。 microsoft Windows Print Spooler Components存在缓冲区错误漏洞。以下产品和版本受到影响：Windows Versions Under Investigation
可能的 ATT&CK 技术 1 AI
T1210 · Exploitation of Remote Services影响版本矩阵 25
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Microsoft | Windows 10 Version 1507 | 10.0.10240.0< 10.0.10240.19022 |
affected |
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0< 10.0.14393.4583 |
affected |
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0< 10.0.17763.2114 |
affected |
10.0.0< 10.0.17763.2114 |
affected | ||
| Microsoft | Windows 10 Version 1909 | 10.0.0< 10.0.18363.1734 |
affected |
| Microsoft | Windows 10 Version 2004 | 10.0.0< 10.0.19041.1165 |
affected |
| Microsoft | Windows 10 Version 20H2 | 10.0.0< 10.0.19042.1165 |
affected |
| Microsoft | Windows 10 Version 21H1 | 10.0.0< 10.0.19043.1165 |
affected |
| Microsoft | Windows 7 | 6.1.0< 6.1.7601.25685 |
affected |
| Microsoft | Windows 7 Service Pack 1 | 6.1.0< 6.1.7601.25685 |
affected |
| Microsoft | Windows 8.1 | 6.3.0< 6.3.9600.20094 |
affected |
| Microsoft | Windows Server 2008 R2 Service Pack 1 | 6.1.7601.0< 6.1.7601.25685 |
affected |
| Microsoft | Windows Server 2008 R2 Service Pack 1 (Server Core installation) | 6.1.7601.0< 6.1.7601.25685 |
affected |
| Microsoft | Windows Server 2008 Service Pack 2 | 6.0.6003.0< 6.0.6003.21192 |
affected |
| Microsoft | Windows Server 2008 Service Pack 2 (Server Core installation) | 6.0.6003.0< 6.0.6003.21192 |
affected |
| Microsoft | Windows Server 2012 | 6.2.9200.0< 6.2.9200.23435 |
affected |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0< 6.2.9200.23435 |
affected |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0< 6.3.9600.20094 |
affected |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0< 6.3.9600.20094 |
affected |
| Microsoft | Windows Server 2016 | 10.0.14393.0< 10.0.14393.4583 |
affected |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0< 10.0.14393.4583 |
affected |
| Microsoft | Windows Server 2019 | 10.0.17763.0< 10.0.17763.2114 |
affected |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0< 10.0.17763.2114 |
affected |
| Microsoft | Windows Server version 2004 | 10.0.0< 10.0.19041.1165 |
affected |
| Microsoft | Windows Server version 20H2 | 10.0.0< 10.0.19042.1165 |
affected |
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一、 漏洞 CVE-2021-34481 基础信息
漏洞信息
对漏洞内容有疑问？看看神龙的深度分析是否有帮助！
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Vulnerability Title
Windows Print Spooler Remote Code Execution Vulnerability
来源: CVE Program / CVE List V5
Vulnerability Description
A remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations. An attacker who successfully exploited this vulnerability could run arbitrary code with SYSTEM privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
UPDATE August 10, 2021: Microsoft has completed the investigation and has released security updates to address this vulnerability. Please see the Security Updates table for the applicable update for your system. We recommend that you install these updates immediately. This security update changes the Point and Print default behavior; please see KB5005652.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
N/A
来源: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows Print Spooler Components 缓冲区错误漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Microsoft Windows Print Spooler Components是美国微软（Microsoft）公司的一个打印后台处理程序组件。 microsoft Windows Print Spooler Components存在缓冲区错误漏洞。以下产品和版本受到影响：Windows Versions Under Investigation
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
二、漏洞 CVE-2021-34481 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|---|---|---|
| 1 | Check patch for CVE-2021-34481 | https://github.com/vpn28/CVE-2021-34481 | POC详情 |
AI 生成 POC
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未找到公开 POC。
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CVE-2021-34481 厂商安全公告 (2)
同批安全公告 · Microsoft · 2021-07-16 · 共 27 条
| CVE-2021-34458 | 9.9 CRITICAL | Microsoft Windows Kernel 代码注入漏洞 |
| CVE-2021-34442 | 8.8 HIGH | Microsoft Windows DNS 输入验证错误漏洞 |
| CVE-2021-34450 | 8.5 HIGH | Microsoft Hyper-V 代码注入漏洞 |
| CVE-2021-34446 | 8.0 HIGH | Microsoft Windows 安全特征问题漏洞 |
| CVE-2021-34464 | 7.8 HIGH | Microsoft Windows Defender 代码注入漏洞 |
| CVE-2021-34438 | 7.8 HIGH | Microsoft Graphics Components 代码注入漏洞 |
| CVE-2021-34439 | 7.8 HIGH | Microsoft Windows Media Foundation 代码注入漏洞 |
| CVE-2021-34441 | 7.8 HIGH | Microsoft Windows Media Foundation 代码注入漏洞 |
| CVE-2021-34445 | 7.8 HIGH | Microsoft Windows Remote Access Connection Manager 权限许可和访问控制问题漏洞 |
| CVE-2021-34452 | 7.8 HIGH | Microsoft Office 代码注入漏洞 |
| CVE-2021-34455 | 7.8 HIGH | Microsoft Windows File History Service 权限许可和访问控制问题漏洞 |
| CVE-2021-34456 | 7.8 HIGH | Microsoft Windows Remote Access Connection Manager 权限许可和访问控制问题漏洞 |
| CVE-2021-34459 | 7.8 HIGH | Microsoft Windows AppContainer 权限许可和访问控制问题漏洞 |
| CVE-2021-34460 | 7.8 HIGH | Microsoft Windows Storage 权限许可和访问控制问题漏洞 |
| CVE-2021-34461 | 7.8 HIGH | Microsoft Windows Kernel 安全特征问题漏洞 |
| CVE-2021-34467 | 7.1 HIGH | Microsoft Office SharePoint 代码注入漏洞 |
| CVE-2021-34449 | 7.0 HIGH | Microsoft Win32k 权限许可和访问控制问题漏洞 |
| CVE-2021-34462 | 7.0 HIGH | Microsoft Windows AppX Deployment Extensions 竞争条件问题漏洞 |
| CVE-2021-34448 | 6.8 MEDIUM | Microsoft Scripting Engine 缓冲区错误漏洞 |
| CVE-2021-34447 | 6.8 MEDIUM | Microsoft Windows MSHTML Platform 代码注入漏洞 |
显示前 20 条，共 27 条。 查看全部 → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-34481
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