Gravità: : Critico
  Identificatori CVE: CVE-2009-0388
  Data notifica: 15 febbraio 2011

  Descrizione

Multiple integer signedness errors in (1) UltraVNC 1.0.2 and 1.0.5 and (2) TightVnc 1.3.9 allow remote VNC servers to cause a denial of service (heap corruption and application crash) or possibly execute arbitrary code via a large length value in a message, related to the (a) ClientConnection::CheckBufferSize and (b) ClientConnection::CheckFileZipBufferSize functions in ClientConnection.cpp.

  Informazioni esposizione:

Trend Micro Deep Security shields networks through Deep Packet Inspection (DPI) rules. Trend Micro customers using OfficeScan with Intrusion Defense Firewall (IDF) plugin are also protected from attacks using these vulnerabilities. Please refer to the filter number and filter name when applying appropriate DPI and/or IDF rules.

  Soluzioni

  Trend Micro Deep Security DPI Rule Number: 1003290
  Trend Micro Deep Security DPI Rule Name: 1003290 - TightVNC VNCViewer Authenticate Buffer Overflow

  Software e versione interessati:

  • Tightvnc Tightvnc 1.3.9
  • Ultravnc Ultravnc 1.0.2
  • Ultravnc Ultravnc 1.0.5