CVE-2024-0787: phpipam Brute Force — Exploit & Fix

Description

phpIPAM version 1.5.1 contains a vulnerability where an attacker can bypass the IP block mechanism to brute force passwords for users by using the 'X-Forwarded-For' header. The issue lies in the 'get_user_ip()' function in 'class.Common.php' at lines 1044 and 1045, where the presence of the 'X-Forwarded-For' header is checked and used instead of 'REMOTE_ADDR'. This vulnerability allows attackers to perform brute force attacks on user accounts, including the admin account. The issue is fixed in version 1.7.0.

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CVSS v3.1 Score

5.9

MEDIUM

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

Weakness Type (CWE)

CWE-307 CWE-307

Affected Products

Vendor	Product	Versions
phpipam	phpipam	< 1.7.0

References

Advisories & Patches

https://github.com/phpipam/phpipam/commit/55c2056068be9f1359e967fcff64db6b7f4d00b5

Exploits

https://huntr.com/bounties/840cb582-1feb-43ab-9cc4-e4b5a63c5bab

Frequently Asked Questions

What is CVE-2024-0787? +

phpIPAM version 1.5.1 contains a vulnerability where an attacker can bypass the IP block mechanism to brute force passwords for users by using the 'X-Forwarded-For' header. The issue lies in the 'get_user_ip()' function in 'class.Common.php' at lines 1044 and 1045, where the presence of the 'X-Forwarded-For' header is checked and used instead of 'REMOTE_ADDR'. This vulnerability allows attackers to perform brute force attacks on user accounts, including the admin account. The issue is fixed in version 1.7.0. It has a CVSS v3.1 base score of 5.9 (MEDIUM).

How severe is CVE-2024-0787? +

CVE-2024-0787 has a CVSS v3.1 score of 5.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-0787? +

CVE-2024-0787 affects products from phpipam, specifically: phpipam. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-0787? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-0787