CVE-2008-3792
HighSummary
W implementacji protokołu SCTP w jądrze Linux przed wersją 2.6.26.4 nie weryfikowano, czy rozszerzenie SCTP-AUTH jest włączone przed wywołaniem funkcji API SCTP-AUTH. To pozwala atakującym na wywołanie błędu typu denial of service poprzez dereferencję wskaźnika NULL, co prowadzi do paniki systemu.
Risk Assessment
Organizacja może doświadczyć awarii systemu, co skutkuje przerwami w dostępności usług oraz potencjalnymi stratami finansowymi i reputacyjnymi.
Recommendation
Zaleca się aktualizację jądra Linux do wersji 2.6.26.4 lub nowszej, aby zlikwidować tę podatność oraz wprowadzenie dodatkowych mechanizmów monitorowania i zabezpieczeń dla protokołu SCTP.
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Original NVD description (English source)
net/sctp/socket.c in the Stream Control Transmission Protocol (sctp) implementation in the Linux kernel before 2.6.26.4 does not verify that the SCTP-AUTH extension is enabled before proceeding with SCTP-AUTH API functions, which allows attackers to cause a denial of service (NULL pointer dereference and panic) via vectors that result in calls to (1) sctp_setsockopt_auth_chunk, (2) sctp_setsockopt_hmac_ident, (3) sctp_setsockopt_auth_key, (4) sctp_setsockopt_active_key, (5) sctp_setsockopt_del_key, (6) sctp_getsockopt_maxburst, (7) sctp_getsockopt_active_key, (8) sctp_getsockopt_peer_auth_chunks, or (9) sctp_getsockopt_local_auth_chunks.