CVE-2011-3288
HighSummary
Cisco Unified Presence przed wersją 8.5(4) nieprawidłowo wykrywa rekurencję podczas rozszerzania encji, co pozwala zdalnym atakującym na spowodowanie odmowy usługi poprzez przygotowany dokument XML zawierający dużą liczbę zagnieżdżonych odniesień do encji.
Risk Assessment
Atakujący mogą wykorzystać tę podatność do wyczerpania zasobów pamięci i CPU, co prowadzi do awarii procesów i zakłócenia działania usługi.
Recommendation
Zaleca się aktualizację Cisco Unified Presence do wersji 8.5(4) lub nowszej, aby zabezpieczyć się przed tym zagrożeniem.
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Original NVD description (English source)
Cisco Unified Presence before 8.5(4) does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption, and process crash) via a crafted XML document containing a large number of nested entity references, aka Bug IDs CSCtq89842 and CSCtq88547, a similar issue to CVE-2003-1564.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

