CVE-2011-4120
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I. Basic Information for CVE-2011-4120
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Yubico PAM Module before 2.10 performed user authentication when 'use_first_pass' PAM configuration option was not used and the module was configured as 'sufficient' in the PAM configuration. A remote attacker could use this flaw to circumvent common authentication process and obtain access to the account in question by providing a NULL value (pressing Ctrl-D keyboard sequence) as the password string.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Yubico PAM Module 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Yubico PAM Module 2.10之前版本中存在安全漏洞。远程攻击者可利用该漏洞利用NULL密码绕过身份验证过程，并获得对系统的未授权访问权限。
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 |
|---|---|---|---|---|
| yubico-pam | yubico-pam | before 2.10 | - |
II. Public POCs for CVE-2011-4120
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-4120x_refsource_MISC
- https://access.redhat.com/security/cve/cve-2011-4120x_refsource_MISC
- https://www.openwall.com/lists/oss-security/2011/11/07/6x_refsource_MISC
- https://security-tracker.debian.org/tracker/CVE-2011-4120x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2011-4120
V. Comments for CVE-2011-4120
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