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CVE-2011-4577

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.

OpenSSL是OpenSSL团队开发的一个开源的能够实现安全套接层（SSL v2/v3）和安全传输层（TLS v1）协议的通用加密库，它支持多种加密算法，包括对称密码、哈希算法、安全散列算法等。 OpenSSL 0.9.8s之前版本以及1.0.0f之前的1.x版本中存在漏洞。当RFC 3779支持开启的时候，远程攻击者可以借助含有与(1) IP地址块或(2) Autonomous System (AS)标识符有关的扩展数据的X.509证书，导致拒绝服务（断言失败）。

AI Predicted 5.3 Difficulty: Moderate EPSS 8.19% · P95
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I. Basic Information for CVE-2011-4577

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
OpenSSL before 0.9.8s and 1.x before 1.0.0f, when RFC 3779 support is enabled, allows remote attackers to cause a denial of service (assertion failure) via an X.509 certificate containing certificate-extension data associated with (1) IP address blocks or (2) Autonomous System (AS) identifiers.
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
OpenSSL资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenSSL是OpenSSL团队开发的一个开源的能够实现安全套接层（SSL v2/v3）和安全传输层（TLS v1）协议的通用加密库，它支持多种加密算法，包括对称密码、哈希算法、安全散列算法等。 OpenSSL 0.9.8s之前版本以及1.0.0f之前的1.x版本中存在漏洞。当RFC 3779支持开启的时候，远程攻击者可以借助含有与(1) IP地址块或(2) Autonomous System (AS)标识符有关的扩展数据的X.509证书，导致拒绝服务（断言失败）。
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-2011-4577

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III. Intelligence Information for CVE-2011-4577

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Vendor Advisories for CVE-2011-4577 (4)

Mailing List Discussions for CVE-2011-4577 (6)

Other References for CVE-2011-4577 (1)

Same Patch Batch · n/a · 2012-01-06 · 11 CVEs total

CVE-2011-5054 kcheckpass pam_start函数授权问题漏洞
CVE-2011-5053 Wi-Fi Protected Setup信息泄露漏洞
CVE-2011-4616 Perl HTML::Template::Pro模块跨站脚本漏洞
CVE-2012-0287 WordPress跨站脚本漏洞
CVE-2011-4108 OpenSSL加密问题漏洞
CVE-2011-4109 OpenSSL资源管理错误漏洞
CVE-2011-4576 OpenSSL加密问题漏洞
CVE-2011-4619 OpenSSL资源管理错误漏洞
CVE-2012-0027 OpenSSL资源管理错误漏洞
CVE-2012-0390 GnuTLS加密问题漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2011-4577

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