Gravité: : Medium
  Identifiant(s) CVE: : CVE-2007-4568
  Date du conseil: 15 février 2011

  Description

Integer overflow in the build_range function in X.Org X Font Server (xfs) before 1.0.5 allows context-dependent attackers to execute arbitrary code via (1) QueryXBitmaps and (2) QueryXExtents protocol requests with crafted size values, which triggers a heap-based buffer overflow.

  Information Exposure Rating:

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.

  Solutions

  Trend Micro Deep Security DPI Rule Number: 1001135
  Trend Micro Deep Security DPI Rule Name: 1001135 - X.Org X Font Server QueryXBitmaps and QueryXExtents Handlers Integer Overflow

  Affected software and version:

  • X.Org X Font Server 1.0.1
  • X.Org X Font Server 1.0.2
  • X.Org X Font Server 1.0.4