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CVE-2021-29632

Quick assessment

Affected
n/a FreeBSD
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.

FreeBSD是Freebsd基金会的一套类Unix操作系统。 FreeBSD vt console存在缓冲区错误漏洞，该漏洞源于边界错误。攻击者可利用该漏洞触发缓冲区溢出并覆盖与系统控制台或其他内核内存相关的数据结构，升级系统权限。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.85% · P56

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-29632

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In FreeBSD 13.0-STABLE before n247428-9352de39c3dc, 12.2-STABLE before r370674, 13.0-RELEASE before p6, and 12.2-RELEASE before p12, certain conditions involving use of the highlight buffer while text is scrolling on the console, console data may overwrite data structures associated with the system console or other kernel memory.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
FreeBSD 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FreeBSD是Freebsd基金会的一套类Unix操作系统。 FreeBSD vt console存在缓冲区错误漏洞，该漏洞源于边界错误。攻击者可利用该漏洞触发缓冲区溢出并覆盖与系统控制台或其他内核内存相关的数据结构，升级系统权限。
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
- FreeBSD FreeBSD 13.0-RELEASE before p6, 12.2-RELEASE before p12 -

II. Public POCs for CVE-2021-29632

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III. Intelligence Information for CVE-2021-29632

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Vendor Advisories for CVE-2021-29632 (1)

Other References for CVE-2021-29632 (1)

Same Patch Batch · n/a · 2022-01-18 · 27 CVEs total

CVE-2021-44217 Ericsson CodeChecker 跨站脚本漏洞
CVE-2022-23408 wolfSSL 安全特征问题漏洞
CVE-2021-44836 Delta RM 安全漏洞
CVE-2021-44839 Delta Rm 授权问题漏洞
CVE-2021-44838 Delta RM 安全漏洞
CVE-2021-44840 Delta Rm 安全漏洞
CVE-2021-46013 Free School Management Software 代码问题漏洞
CVE-2021-46005 Sourcecodester Car Rental Management System 跨站脚本漏洞
CVE-2022-23083 NetMaster 跨站脚本漏洞
CVE-2021-29215 HPE Ezmeral Data Fabric 安全漏洞
CVE-2020-14107 小米投屏 缓冲区错误漏洞
CVE-2021-4083 Linux kernel 竞争条件问题漏洞
CVE-2020-14110 AX3600路由器 安全漏洞
CVE-2021-44757 ZOHO ManageEngine Desktop Central 授权问题漏洞
CVE-2021-41550 Leostream Connection Broker 代码问题漏洞
CVE-2021-41551 Leostream Connection Broker 后置链接漏洞
CVE-2021-38697 Saraban 代码问题漏洞
CVE-2021-38696 Softvibe Saraban 安全漏洞
CVE-2021-38695 SARABAN 跨站脚本漏洞
CVE-2021-38694 Softvibe Saraban SQL注入漏洞

Showing top 20 of 27 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: FreeBSD
Same vendor: n/a

V. Comments for CVE-2021-29632

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