CWE
287 697
EPSS
0.061%
Advisory Published
Updated

CVE-2024-34340: Authentication Bypass when using using older password hashes

First published: Mon May 13 2024(Updated: )

Cacti provides an operational monitoring and fault management framework. Prior to version 1.2.27, Cacti calls `compat_password_hash` when users set their password. `compat_password_hash` use `password_hash` if there is it, else use `md5`. When verifying password, it calls `compat_password_verify`. In `compat_password_verify`, `password_verify` is called if there is it, else use `md5`. `password_verify` and `password_hash` are supported on PHP < 5.5.0, following PHP manual. The vulnerability is in `compat_password_verify`. Md5-hashed user input is compared with correct password in database by `$md5 == $hash`. It is a loose comparison, not `===`. It is a type juggling vulnerability. Version 1.2.27 contains a patch for the issue.

Credit: security-advisories@github.com security-advisories@github.com

Affected SoftwareAffected VersionHow to fix
debian/cacti<=1.2.16+ds1-2+deb11u3<=1.2.24+ds1-1+deb12u2
1.2.16+ds1-2+deb11u4
1.2.24+ds1-1+deb12u4
1.2.27+ds1-2

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