Elektra vulnérable à l'exécution de code à distance dans la recherche universelle

The impact of CVE-2024-41961 is severe. Successful exploitation allows an authenticated attacker to execute arbitrary code on the server hosting the Elektra dashboard. This could lead to complete system compromise, including data exfiltration, modification of Openstack resources, and lateral movement within the network. Given Elektra's role as a dashboard for managing Openstack services, a successful attack could have a wide-ranging impact on the entire Openstack environment. The ability to inject code via a seemingly innocuous feature like live search significantly lowers the barrier to entry for attackers.

Organizations heavily reliant on Openstack and utilizing Elektra for dashboard management are at significant risk. Specifically, environments with weak authentication controls or where user input is not properly sanitized are particularly vulnerable. Shared hosting environments running Elektra should be considered high-risk due to the potential for cross-tenant exploitation.

• rails: Examine Elektra application logs for suspicious Ruby code execution attempts within the live search functionality. Use grep to search for eval calls with user-controlled input.

grep 'eval(' /var/log/elektra/application.log

• generic web: Monitor access logs for unusual requests to the live search endpoint, particularly those containing unusual characters or patterns.

curl -s 'https://elektra.example.com/search?q=some_ruby_code' > /dev/null 2>&1

• linux / server: Monitor system processes for unexpected Ruby interpreter instances. Use ps to identify any unusual processes.

ps aux | grep ruby

1. 2024-08-01Disclosure

   disclosure

1. Réservé2024-07-24
2. Publiée2024-08-01
3. Modifiée2024-08-07
4. EPSS mis à jour2026-04-02

The primary mitigation for CVE-2024-41961 is to upgrade Elektra to version 8bce00be93b95a6512ff68fe86bf9554e486bc02, which contains the fix. If immediate upgrade is not possible, consider implementing input validation on the live search functionality to sanitize user-provided input and prevent the injection of malicious code. Web Application Firewalls (WAFs) configured to detect and block Ruby code injection attempts can provide an additional layer of defense. Review Elektra's access controls to ensure only authorized users have access to the dashboard.