CVE-2021-3746
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I. Basic Information for CVE-2021-3746
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in the libtpms code that may cause access beyond the boundary of internal buffers. The vulnerability is triggered by specially-crafted TPM2 command packets that then trigger the issue when the state of the TPM2's volatile state is written. The highest threat from this vulnerability is to system availability. This issue affects libtpms versions before 0.8.5, before 0.7.9 and before 0.6.6.
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
Archlinux libtpms 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Archlinux libtpms是 Archlinux开源的一个应用程序。提供可信任平台模块（TPM 1.2和TPM 2.0）的软件仿真的库。 libtpms 存在缓冲区错误漏洞，该漏洞源于libtpms中存在越界访问的问题，攻击者可以通过构建特殊的TPM 2命令包进行越界访问敏感数据甚至进行拒绝服务攻击。
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 |
|---|---|---|---|---|
| - | libtpms | libtpms 0.8.5, libtpms 0.7.9, libtpms 0.6.6 | - |
II. Public POCs for CVE-2021-3746
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2021-10-19 · 11 CVEs total
| CVE-2021-35323 | Bludit 跨站脚本漏洞 | |
| CVE-2021-33988 | Microweber 跨站脚本漏洞 | |
| CVE-2020-12141 | Contiki 缓冲区错误漏洞 | |
| CVE-2021-27001 | Netapp Clustered Data ONTAP 安全漏洞 | |
| CVE-2021-26589 | HPE Superdome Flex Server 跨站脚本漏洞 | |
| CVE-2011-1075 | FreeBSD 竞争条件问题漏洞 | |
| CVE-2021-30358 | Check Point Mobile Access 操作系统命令注入漏洞 | |
| CVE-2011-1497 | Rails 跨站脚本漏洞 | |
| CVE-2021-36512 | Synchronet BBS 安全漏洞 | |
| CVE-2021-42261 | Revisor Video Management System 路径遍历漏洞 |
IV. Related Vulnerabilities
Same weakness: CWE-119
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GPU DDK - Cache resident PM buffers writable by other GPU re - CVE-2026-27890
Firebird has Pre-Auth DOS when Processing Out of Order CNCT_ - CVE-2026-34864
Huawei HarmonyOS 安全漏洞 - CVE-2026-4149
Sonos Era 300 SMB Response Out-Of-Bounds Access Remote Code - CVE-2026-34988
Wasmtime leaks data between pooling allocator instances
V. Comments for CVE-2021-3746
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