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CVE
PUBLISHED

CVE-2024-34340

Authentication Bypass when using using older password hashes

AssignerGitHub_M
Reserved2024-05-02
Published2024-05-13
Updated2024-05-13

Description

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.



CRITICAL: 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Problem types

CWE-287: Improper Authentication

CWE-697: Incorrect Comparison

Product status

< 1.2.27
affected

References

https://github.com/Cacti/cacti/security/advisories/GHSA-37x7-mfjv-mm7m

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RBEOAFKRARQHTDIYSL723XAFJ2Q6624X/

cve.org CVE-2024-34340

nvd.nist.gov CVE-2024-34340

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