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CVE-2020-12823

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.

OpenConnect是一款用于连接虚拟专用网络的开源应用程序。 OpenConnect 8.09版本中存在缓冲区错误漏洞。攻击者可通过发送特制证书数据到gnutls.c文件中的get_cert_name利用该漏洞导致拒绝服务（应用程序崩溃）。

AI Predicted 7.5 Difficulty: Moderate EPSS 4.62% · P91

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-12823

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
OpenConnect 8.09 has a buffer overflow, causing a denial of service (application crash) or possibly unspecified other impact, via crafted certificate data to get_cert_name in gnutls.c.
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
OpenConnect 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenConnect是一款用于连接虚拟专用网络的开源应用程序。 OpenConnect 8.09版本中存在缓冲区错误漏洞。攻击者可通过发送特制证书数据到gnutls.c文件中的get_cert_name利用该漏洞导致拒绝服务（应用程序崩溃）。
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-2020-12823

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III. Intelligence Information for CVE-2020-12823

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Patches & Fixes for CVE-2020-12823 (1)

Vendor Advisories for CVE-2020-12823 (1)

Mailing List Discussions for CVE-2020-12823 (6)

Other References for CVE-2020-12823 (1)

Same Patch Batch · n/a · 2020-05-12 · 14 CVEs total

CVE-2020-8156 Nextcloud Mail 信任管理问题漏洞
CVE-2020-8154 Nextcloud Server 安全漏洞
CVE-2020-8155 Nextcloud Server 跨站脚本漏洞
CVE-2020-8153 Nextcloud Groupfolders app 访问控制错误漏洞
CVE-2020-8151 Active Resource 信息泄露漏洞
CVE-2020-8159 actionpack_page-caching gem 路径遍历漏洞
CVE-2020-1939 Apache NuttX 代码问题漏洞
CVE-2020-5897 F5 BIG-IP APM和BIG-IP APM Clients 资源管理错误漏洞
CVE-2020-5896 F5 BIG-IP APM和BIG-IP APM Clients 安全漏洞
CVE-2020-5898 F5 BIG-IP APM和BIG-IP APM Clients 安全漏洞
CVE-2020-12825 libcroco 缓冲区错误漏洞
CVE-2020-12826 Linux kernel 输入验证错误漏洞
CVE-2020-12772 Ignite Realtime Spark 信息泄露漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2020-12823

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