CVE-2011-4968
Quick assessment
Affected
nginx nginx
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.
F5 Nginx是美国F5公司的一款轻量级Web服务器/反向代理服务器及电子邮件（IMAP/POP3）代理服务器，在BSD-like协议下发行。 F5 Nginx存在输入验证错误漏洞，该漏洞源于不验证 https 源服务器的对等身份，这可能会导致中间人攻击 (MITM)。
Possible ATT&CK Techniques 1 AI
T1219 · Remote Access Tools
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I. Basic Information for CVE-2011-4968
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
nginx http proxy module does not verify peer identity of https origin server which could facilitate man-in-the-middle attack (MITM)
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
F5 Nginx 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
F5 Nginx是美国F5公司的一款轻量级Web服务器/反向代理服务器及电子邮件（IMAP/POP3）代理服务器，在BSD-like协议下发行。 F5 Nginx存在输入验证错误漏洞，该漏洞源于不验证 https 源服务器的对等身份，这可能会导致中间人攻击 (MITM)。
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
II. Public POCs for CVE-2011-4968
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Vendor Advisories for CVE-2011-4968 (6)
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https://access.redhat.com/security/cve/cve-2011-4968 x_refsource_MISC
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https://security-tracker.debian.org/tracker/CVE-2011-4968 x_refsource_MISC
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https://exchange.xforce.ibmcloud.com/vulnerabilities/80952 x_refsource_MISC
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http://www.securityfocus.com/bid/57139 x_refsource_MISC
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https://bugzilla.suse.com/show_bug.cgi?id=CVE-2011-4968 x_refsource_MISC
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https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-4968 x_refsource_MISC
Mailing List Discussions for CVE-2011-4968 (1)
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http://www.openwall.com/lists/oss-security/2013/01/03/8 x_refsource_MISC
IV. Related Vulnerabilities
Same vendor: nginx
V. Comments for CVE-2011-4968
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