CVE-2025-29785
HighSummary
quic-go to implementacja protokołu QUIC w języku Go. Logika odzyskiwania utraty pakietów dla pakietów próbnych ścieżki, dodana w wersji v0.50.0, może być wykorzystana do wywołania dereferencji wskaźnika nil przez złośliwego klienta QUIC.
Risk Assessment
Atakujący może wykorzystać tę podatność do destabilizacji serwera, co może prowadzić do przerwy w dostępności usługi. W przypadku wykorzystania podatności, serwer może ulec awarii.
Recommendation
Zaleca się aktualizację do wersji v0.50.1, która zawiera poprawkę eliminującą tę podatność. Należy również monitorować ruch QUIC w celu wykrycia potencjalnych ataków.
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Original NVD description (English source)
quic-go is an implementation of the QUIC protocol in Go. The loss recovery logic for path probe packets that was added in the v0.50.0 release can be used to trigger a nil-pointer dereference by a malicious QUIC client. In order to do so, the attacker first sends valid QUIC packets from different remote addresses (thereby triggering the newly added path validation logic: the server sends path probe packets), and then sending ACKs for packets received from the server specifically crafted to trigger the nil-pointer dereference. v0.50.1 contains a patch that fixes the vulnerability. This release contains a test that generates random sequences of sent packets (both regular and path probe packets), that was used to verify that the patch actually covers all corner cases. No known workarounds are available.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS