Rejetto HTTP File Server - RCE (CVE-2024-23692)
Description
Rejetto HTTP File Server, up to and including version 2.3m, is vulnerable to a template injection vulnerability. This vulnerability allows a remote, unauthenticated attacker to execute arbitrary commands on the affected system by sending a specially crafted HTTP request. As of the CVE assignment date, Rejetto HFS 2.3m is no longer supported.
psychologyCrowdSec Analysis
CVE-2024-23692 is a high-severity vulnerability in Rejetto HTTP File Server that enables unauthenticated remote command execution due to a template injection flaw. Attackers can send specially crafted requests to exploit this issue, potentially compromising the underlying server.
CrowdSec has been tracking this vulnerability and its exploits since 1st of August 2024.
Data from the CrowdSec community indicates that exploitation of CVE-2024-23692 is highly selective and intelligence-driven. Threat actors use advanced reconnaissance and carefully choose their targets, often as part of sophisticated campaigns or advanced persistent threat operations. In addition, according to the CrowdSec network, attack volume against CVE-2024-23692 has dipped slightly compared to the previous week. Although still commonly targeted, the decline suggests a cooling-off period. Long-term relevance remains, but attention is waning.
Observed attacks commonly involve search-related requests containing template markers within the URL, making them effective for identifying vulnerable instances.
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| Event | Date |
|---|---|
| CVE Published | 2024-05-31 |
| CISA KEV | 2024-07-09 |
| CISA Remediation Deadline | 2024-07-30 |
| Rule Released | 2024-08-01 |
| CrowdSec First Seen | 2024-11-23 |
Remediation & Protection
External References
- https://vulncheck.com/advisories/rejetto-unauth-rce
- https://mohemiv.com/all/rejetto-http-file-server-2-3m-unauthenticated-rce/
- https://github.com/rapid7/metasploit-framework/pull/19240
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-23692.yaml
- https://www.vicarius.io/vsociety/posts/cve-2024-23692-rejetto-hfs-mitigate-vulnerability
- https://www.vicarius.io/vsociety/posts/cve-2024-23692-detect-rejetto-hfs-vulnerability
- https://www.vicarius.io/vsociety/posts/unauthenticated-rce-flaw-in-rejetto-http-file-server-cve-2024-23692