CVE-2021-4011
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I. Basic Information for CVE-2021-4011
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SwapCreateRegister function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
xorg-x11-server 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
xorg-x11-server是X.Org（X.org）基金会的一款X窗口系统显示服务器。 xorg-x11-server 存在缓冲区错误漏洞，该漏洞源于 X.Org X Server 错误地处理了某些输入。攻击者可以利用此问题导致服务器崩溃，从而导致拒绝服务，或者可能执行任意代码并提升权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | xorg-x11-server | xorg-x11-server 21.1.2, xorg-x11-server 1.20.14 | - |
II. Public POCs for CVE-2021-4011
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://www.debian.org/security/2021/dsa-5027vendor-advisory
- https://security.gentoo.org/glsa/202305-30vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-4011
Same Patch Batch · n/a · 2021-12-17 · 51 CVEs total
| CVE-2021-23803 | 9.8 CRITICAL | Access Control Bypass |
| CVE-2021-23450 | 7.5 HIGH | Prototype Pollution |
| CVE-2021-23797 | 7.5 HIGH | Directory Traversal |
| CVE-2021-23814 | 6.7 MEDIUM | laravel-filemanager代码问题漏洞 |
| CVE-2021-44035 | 4.4 MEDIUM | Wolters Kluwer TeamMate AM 安全漏洞 |
| CVE-2021-0678 | MediaTek Apusys缓冲区错误漏洞 | |
| CVE-2021-41843 | OpenEMR SQL注入漏洞 | |
| CVE-2021-4009 | xorg-x11-server 缓冲区错误漏洞 | |
| CVE-2021-4008 | xorg-x11-server 缓冲区错误漏洞 | |
| CVE-2021-4010 | xorg-x11-server 缓冲区错误漏洞 | |
| CVE-2021-32498 | SICK SOPAS ET 4.8.0 路径遍历漏洞 | |
| CVE-2021-32499 | SICK SOPAS ET 注入漏洞 | |
| CVE-2021-0677 | MediaTek Ccu 输入验证错误漏洞 | |
| CVE-2021-0676 | MediaTek 芯片 缓冲区错误漏洞 | |
| CVE-2021-45042 | Hashicorp HashiCorp Vault 安全漏洞 | |
| CVE-2021-0893 | MediaTek Apusys 资源管理错误漏洞 | |
| CVE-2021-0679 | MediaTek Apusys缓冲区错误漏洞 | |
| CVE-2021-0894 | MediaTek Apusys缓冲区错误漏洞 | |
| CVE-2021-0895 | MediaTek Apusys缓冲区错误漏洞 | |
| CVE-2021-0897 | MediaTek Apusys缓冲区错误漏洞 |
Showing top 20 of 51 CVEs. View all on vendor page → →
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Same weakness: CWE-119
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V. Comments for CVE-2021-4011
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