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CVE-2021-3623

Quick assessment

Affected
n/a libtpms
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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。 Archlinux libtpms存在缓冲区错误漏洞，该漏洞源于边界条件。本地用户可以使用包含非法值的TPM 2命令包来触发一个超出范围的读错误，并执行拒绝服务(DoS)攻击。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.32% · P23

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-3623

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in libtpms. The flaw can be triggered by specially-crafted TPM 2 command packets containing illegal values and may lead to an out-of-bounds access when the volatile state of the TPM 2 is marshalled/written or unmarshalled/read. The highest threat from this vulnerability is to system availability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
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。 Archlinux libtpms存在缓冲区错误漏洞，该漏洞源于边界条件。本地用户可以使用包含非法值的TPM 2命令包来触发一个超出范围的读错误，并执行拒绝服务(DoS)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 Fixed-In - libtpms 0.6.5, libtpms 0.7.8, libtpms 0.8.4 -

II. Public POCs for CVE-2021-3623

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III. Intelligence Information for CVE-2021-3623

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Patches & Fixes for CVE-2021-3623 (4)

Vendor Advisories for CVE-2021-3623 (1)

Mailing List Discussions for CVE-2021-3623 (1)

Same Patch Batch · n/a · 2022-03-02 · 61 CVEs total

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CVE-2021-41002 Aruba AOS-CX 路径遍历漏洞
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Showing top 20 of 61 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: libtpms
Same vendor: n/a
Same weakness: CWE-787

V. Comments for CVE-2021-3623

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