User Impersonation Affecting haproxy package, versions [1.8.0,2.9.11)[3.0.0,3.0.5)[3.1-dev0,3.1-dev7)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published14 Oct 2024
- disclosed14 Oct 2024
- creditWedl Michael
Introduced: 14 Oct 2024
CVE-2024-49214 (opens in a new tab)How to fix?
Upgrade haproxy to version 2.9.11, 3.0.5, 3.1-dev7 or higher.
Overview
Affected versions of this package are vulnerable to User Impersonation in quic_build_post_handshake_frames() function in quic_conn.c. An attacker in possession of a known trusted IP address can bypass IP allow/block list functionality by opening a 0-RTT TLS session with their true IP address and then replacing it with the spoofed one after handshake.