Ensure password hashing algorithm is SHA-512

高等級 2自動化cos

說明

The commands below change password encryption from md5 to sha512 (a much stronger hashing algorithm). All existing accounts will need to perform a password change to upgrade the stored hashes to the new algorithm. The SHA-512 algorithm provides much stronger hashing than MD5, thus providing additional protection to the system by increasing the level of effort for an attacker to successfully determine passwords. Note that these changes only apply to accounts configured on the local system.

檢查方式

稽核方法: Shell 指令

shell

bad=0; for p in /etc/pam.d/system-auth /etc/pam.d/system-password; do grep -Pq "^\h*password\h+([^#\n\r]+)?\h+pam_unix\.so\h+([^#\n\r]+\h+)?sha512\b" $p 2>/dev/null || bad=1; done; [ $bad -eq 0 ] && echo compliant || echo noncompliant

預期輸出: compliant

修補方式

修補方法: 操作指南或基礎設施修補檔

Set password hashing algorithm to sha512. Many distributions provide tools for updating PAM configuration, consult your documentation for details. If no tooling is provided edit the appropriate /etc/pam.d/ configuration file and add or modify the pam_unix.so lines to include the sha512 option: password required pam_unix.so sha512

屬性

作業系統: 不限
標籤: authcontainer-optimized-oscos
參考資料: CIS Google Container-Optimized OS Benchmark v1.2.0 - 5.2.3 Ensure password hashing algorithm is SHA-512

檢查此主機

請在您有權稽核的機器上執行此指令。掃描為唯讀操作。

shell

tmaegis scan --target cos --level 2