CVE-2011-3327
HighSummary
W funkcji ecommunity_ecom2str w pliku bgp_ecommunity.c w bgpd w Quagga przed wersją 0.99.19 występuje przepełnienie bufora oparte na stercie. Atakujący zdalnie mogą spowodować awarię demona lub potencjalnie wykonać dowolny kod, wysyłając spreparowaną wiadomość BGP UPDATE przez IPv4.
Risk Assessment
Organizacja może doświadczyć awarii usług związanych z BGP, co prowadzi do zakłóceń w komunikacji sieciowej. Istnieje również ryzyko wykonania złośliwego kodu, co może prowadzić do dalszych kompromitacji systemu.
Recommendation
Zaleca się aktualizację Quagga do wersji 0.99.19 lub nowszej, aby usunąć tę podatność. Dodatkowo warto monitorować ruch BGP w celu wykrywania potencjalnych ataków.
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Original NVD description (English source)
Heap-based buffer overflow in the ecommunity_ecom2str function in bgp_ecommunity.c in bgpd in Quagga before 0.99.19 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code by sending a crafted BGP UPDATE message over IPv4.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

