Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS1ycTQyLTU4cWYtdjNxeM4AA3Pz

LibreNMS vulnerable to rate limiting bypass on login page

Summary

Application is using two login methods and one of them is using GET request for authentication. There is no rate limiting security feature at GET request or backend is not validating that.

PoC

Go to /?username=admin&password=password&submit=
Capture request in Burpsuite intruder and add payload marker at password parameter value.
Start the attack after adding your password list
We have added 74 passwords
Check screenshot for more info

Impact

An attacker can Bruteforce user accounts and using GET request for authentication is not recommended because certain web servers logs all requests in old logs which can also store victim user credentials.

Permalink: https://github.com/advisories/GHSA-rq42-58qf-v3qx
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1ycTQyLTU4cWYtdjNxeM4AA3Pz
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: 5 months ago
Updated: 5 months ago

CVSS Score: 5.3
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Identifiers: GHSA-rq42-58qf-v3qx, CVE-2023-46745
References:

• https://github.com/librenms/librenms/security/advisories/GHSA-rq42-58qf-v3qx
• https://github.com/librenms/librenms/pull/15558
• https://github.com/librenms/librenms/commit/7c006e96251ae1d32e1a015b361a7bfbb815c028
• https://github.com/librenms/librenms/releases/tag/23.11.0
• https://nvd.nist.gov/vuln/detail/CVE-2023-46745
• https://github.com/advisories/GHSA-rq42-58qf-v3qx

Repository: https://github.com/librenms/librenms
Blast Radius: 1.6

Affected Packages