X.Org X Font Server QueryXBitmaps and QueryXExtents Handlers Integer Overflow
Severity: : Medium
CVE Kennungen: : CVE-2007-4568
Advisory Date: 15 de lutego de 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
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.
SOLUTION
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