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CVE-2021-41990

Quick assessment

Affected
n/a n/a
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

strongSwan是瑞士Andreas Steffen个人开发者的一套Linux平台使用的开源的基于IPsec的VPN解决方案。该方案包含X.509公开密钥证书、安全储存私钥、智能卡等认证机制。 StrongSwan 中存在输入验证错误漏洞，该漏洞源于产品未能正确处理RSASSA-PSS签名。攻击者可通过一个不相关的自签名证书导致远程代码执行。StrongSwan 5.9.4 之前版本。

AI Predicted 5.9 Difficulty: Moderate EPSS 6.70% · P94

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-41990

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The gmp plugin in strongSwan before 5.9.4 has a remote integer overflow via a crafted certificate with an RSASSA-PSS signature. For example, this can be triggered by an unrelated self-signed CA certificate sent by an initiator. Remote code execution cannot occur.
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
strongSwan 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
strongSwan是瑞士Andreas Steffen个人开发者的一套Linux平台使用的开源的基于IPsec的VPN解决方案。该方案包含X.509公开密钥证书、安全储存私钥、智能卡等认证机制。 StrongSwan 中存在输入验证错误漏洞，该漏洞源于产品未能正确处理RSASSA-PSS签名。攻击者可通过一个不相关的自签名证书导致远程代码执行。StrongSwan 5.9.4 之前版本。
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
- n/a n/a -

II. Public POCs for CVE-2021-41990

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-41990

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Vendor Advisories for CVE-2021-41990 (3)

Mailing List Discussions for CVE-2021-41990 (2)

Security Blog Posts for CVE-2021-41990 (1)

Same Patch Batch · n/a · 2021-10-18 · 19 CVEs total

CVE-2021-23449 9.8 CRITICAL Sandbox Bypass
CVE-2021-22961 GlassWire 代码注入漏洞
CVE-2021-42650 Portainer 跨站脚本漏洞
CVE-2021-42055 ASUSTek ZenBook Pro Due 15 UX582 安全漏洞
CVE-2021-36513 FreeSWITCH 安全漏洞
CVE-2021-42575 Sanitize 输入验证错误漏洞
CVE-2021-42576 David Kitchen bluemonday 安全漏洞
CVE-2021-41991 strongSwan 输入验证错误漏洞
CVE-2020-8291 Rocket.Chat 跨站脚本漏洞
CVE-2021-22942 Ruby on Rails 输入验证错误漏洞
CVE-2021-21797 Nitro Software Nitro Pro 资源管理错误漏洞
CVE-2021-21796 Nitro Software Nitro Pro 资源管理错误漏洞
CVE-2010-2496 Pacemaker 授权问题漏洞
CVE-2021-41611 Squid 信任管理问题漏洞
CVE-2021-38562 Best Practical Request Tracker 信息泄露漏洞
CVE-2021-42565 myfactory.FMS 跨站脚本漏洞
CVE-2021-42566 myfactory.FMS 跨站脚本漏洞
CVE-2021-38297 Google Go 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2021-41990

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