CVE-2022-35507: CRLF Injection
A response-header CRLF injection vulnerability in the Proxmox Virtual Environment (PVE) and Proxmox Mail Gateway (PMG) web interface allows a remote attacker to set cookies for a victim's browser that are longer than the server expects, causing a client-side DoS. This affects Chromium-based browsers because they allow injection of response headers with %0d. This is fixed in pve-http-server 4.1-3.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is CVE-2022-35507?
CVE-2022-35507 is a response-header CRLF injection vulnerability in the Proxmox Virtual Environment (PVE) and Proxmox Mail Gateway (PMG) web interface, allowing a remote attacker to set cookies that cause a client-side DoS.
What is the severity of CVE-2022-35507?
The severity of CVE-2022-35507 is high with a CVSS score of 7.1.
What software is affected by CVE-2022-35507?
CVE-2022-35507 affects Proxmox Virtual Environment (PVE) and Proxmox Mail Gateway (PMG) versions up to 4.1-3.
How can a remote attacker exploit CVE-2022-35507?
A remote attacker can exploit CVE-2022-35507 by injecting response headers that set cookies longer than the server expects, causing a client-side DoS.
Are there any mitigations or fixes available for CVE-2022-35507?
At the moment, there are no known mitigations or fixes available for CVE-2022-35507. It is recommended to follow the latest updates from the software vendor for any patches or updates.