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CVE-2021-29627

Quick assessment

Affected
n/a FreeBSD
Exploitation
Public or AI PoC available; prioritize validation
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 存在安全漏洞，该漏洞源于错误地释放了进程提供的参数字符串。以下产品及版本受到影响： FreeBSD 13.0-STABLE before n245050, 12.2-STABLE before r369525, 13.0-RC4 before p0, and 12.2-RELEASE before p6。

AI Predicted 6.9 Difficulty: Moderate EPSS 0.75% · P52

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-29627

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In FreeBSD 13.0-STABLE before n245050, 12.2-STABLE before r369525, 13.0-RC4 before p0, and 12.2-RELEASE before p6, listening socket accept filters implementing the accf_create callback incorrectly freed a process supplied argument string. Additional operations on the socket can lead to a double free or use after free.
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 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FreeBSD是Freebsd基金会的一套类Unix操作系统。 FreeBSD 存在安全漏洞，该漏洞源于错误地释放了进程提供的参数字符串。以下产品及版本受到影响： FreeBSD 13.0-STABLE before n245050, 12.2-STABLE before r369525, 13.0-RC4 before p0, and 12.2-RELEASE before p6。
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 12.2-RELEASE before p6 -

II. Public POCs for CVE-2021-29627

# POC Description Source Link Shenlong Link
1 Trigger-only for CVE-2021-29627 https://github.com/raymontag/cve-2021-29627 POC Details
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III. Intelligence Information for CVE-2021-29627

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Vendor Advisories for CVE-2021-29627 (1)

Other References for CVE-2021-29627 (1)

Same Patch Batch · n/a · 2021-04-07 · 26 CVEs total

CVE-2020-24139 Wcms 代码问题漏洞
CVE-2021-30147 DMA Softlab DMA Radius Manager 跨站请求伪造漏洞
CVE-2021-26709 D-Link DSL-320B-D1 缓冲区错误漏洞
CVE-2021-30177 PHP-Nuke SQL注入漏洞
CVE-2020-36314 GNOME file-roller 路径遍历漏洞
CVE-2021-30184 GNU Chess 安全漏洞
CVE-2021-30185 Adrian indico 安全漏洞
CVE-2021-28927 Autechre RetroArch 命令注入漏洞
CVE-2020-25584 Freebsd FreeBSD 竞争条件问题漏洞
CVE-2021-29626 FreeBSD 资源管理错误漏洞
CVE-2020-24138 WCMS 跨站脚本漏洞
CVE-2020-24136 WCMS 路径遍历漏洞
CVE-2020-24135 WCMS 跨站脚本漏洞
CVE-2021-29641 Directusv8 代码问题漏洞
CVE-2020-24140 Wcms 代码问题漏洞
CVE-2020-24137 WCMS 路径遍历漏洞
CVE-2021-30123 FFmpeg 缓冲区错误漏洞
CVE-2020-36316 Diego F.Aranha relic 安全漏洞
CVE-2020-36315 Diego F.Aranha relic 加密问题漏洞
CVE-2021-30246 jsrsasign package 数据伪造问题漏洞

Showing top 20 of 26 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: FreeBSD
Same vendor: n/a

V. Comments for CVE-2021-29627

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