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The CVE-2025-XXXX vulnerability in Rosenpass (a Rust crate) allows remote attackers to trigger a denial of service condition by sending a specially crafted one-byte UDP packet. When processed by versions before 0.2.1, this malformed packet causes an unhandled panic in the application’s packet parsing logic. The panic occurs due to insufficient input validation when processing the UDP payload, causing the application to crash rather than gracefully reject the invalid packet. This vulnerability is network-exploitable without authentication, making it accessible to any attacker who can send UDP packets to the vulnerable service.
Platform: Rosenpass (Rust)
Version: < 0.2.1
Vulnerability: DoS via UDP
Severity: Moderate
date: Jul 28, 2025
Prediction: Patch available
What Undercode Say:
// Crash reproduction
let sock = UdpSocket::bind("0.0.0.0:1234")?;
let mut buf = [0u8; 1]; // Single-byte trigger
sock.send_to(&buf, target)?;
How Exploit:
Send malformed UDP packet
Trigger unhandled panic
Remote service crash
Protection from this CVE:
Upgrade to 0.2.1+
Input validation
Error handling
Impact:
Service disruption
No code execution
Availability loss
Sources:
Reported By: github.com
Extra Source Hub:
Undercode
