漏洞信息
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Vulnerability Title
Linux-PAM pam_userdb Observable Timing Discrepancy in Plaintext Password Comparison
Vulnerability Description
Linux-PAM through 1.7.2 contains an observable timing discrepancy (CWE-208) in the pam_userdb module's plaintext-password comparison path in modules/pam_userdb/pam_userdb.c that allows a local or network-adjacent attacker able to repeatedly drive authentication through a calling service to recover the plaintext password of a target account by measuring response-timing differences.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Vulnerability Type
通过时间差异性导致的信息暴露
Vulnerability Title
Linux-pam 信息泄露漏洞
Vulnerability Description
Linux-pam是Linux-pam团队开源的一款Linux身份验证系统。 Linux-PAM 1.7.2及之前版本存在信息泄露漏洞,该漏洞源于pam_userdb模块的明文密码比较路径中存在可观测的时间差异(CWE-208),可能导致本地或网络邻近的攻击者通过反复驱动认证请求来测量响应时间差,从而恢复目标账户的明文密码。
CVSS Information
N/A
Vulnerability Type
N/A