CVE-2024-4881: lollms Path Traversal

Description

A path traversal vulnerability exists in the parisneo/lollms application, affecting version 9.4.0 and potentially earlier versions, but fixed in version 5.9.0. The vulnerability arises due to improper validation of file paths between Windows and Linux environments, allowing attackers to traverse beyond the intended directory and read any file on the Windows system. Specifically, the application fails to adequately sanitize file paths containing backslashes (`\`), which can be exploited to access the root directory and read, or even delete, sensitive files. This issue was discovered in the context of the `/user_infos` endpoint, where a crafted request using backslashes to reference a file (e.g., `\windows\win.ini`) could result in unauthorized file access. The impact of this vulnerability includes the potential for attackers to access sensitive information such as environment variables, database files, and configuration files, which could lead to further compromise of the system.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-36 CWE-36

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
lollms	lollms	< 5.9.0

References

Advisories & Patches

https://github.com/parisneo/lollms/commit/95ad36eeffc6a6be3e3f35ed35a384d768f0ecf6 https://github.com/parisneo/lollms/commit/95ad36eeffc6a6be3e3f35ed35a384d768f0ecf6

Exploits

https://huntr.com/bounties/94f7f901-80b0-4cf5-b545-ac5c1e7635e9 https://huntr.com/bounties/94f7f901-80b0-4cf5-b545-ac5c1e7635e9

Frequently Asked Questions

What is CVE-2024-4881? +

A path traversal vulnerability exists in the parisneo/lollms application, affecting version 9.4.0 and potentially earlier versions, but fixed in version 5.9.0. The vulnerability arises due to improper validation of file paths between Windows and Linux environments, allowing attackers to traverse beyond the intended directory and read any file on the Windows system. Specifically, the application fails to adequately sanitize file paths containing backslashes (`\`), which can be exploited to access the root directory and read, or even delete, sensitive files. This issue was discovered in the context of the `/user_infos` endpoint, where a crafted request using backslashes to reference a file (e.g., `\windows\win.ini`) could result in unauthorized file access. The impact of this vulnerability includes the potential for attackers to access sensitive information such as environment variables, database files, and configuration files, which could lead to further compromise of the system. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-4881? +

CVE-2024-4881 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-4881? +

CVE-2024-4881 affects products from lollms, specifically: lollms. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-4881? +

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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