Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-3746

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。 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。

AI Predicted 5.3 Difficulty: Easy EPSS 0.97% · P60

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-3746

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
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。 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
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-3746

请登录查看更多情报信息。

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 product: libtpms
Same vendor: n/a
Same weakness: CWE-119

V. Comments for CVE-2021-3746

No comments yet

Leave a comment