Gravité: : Critique
  Identifiant(s) CVE: : CVE-2008-2469
  Date du conseil: 15 février 2011

  Description

Heap-based buffer overflow in the SPF_dns_resolv_lookup function in Spf_dns_resolv.c in libspf2 before 1.2.8 allows remote attackers to execute arbitrary code via a long DNS TXT record with a modified length field.

  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: 1002988
  Trend Micro Deep Security DPI Rule Name: 1002988 - Multiple Vendors libspf2 DNS TXT Record Parsing Buffer Overflow

  Affected software and version:

  • libspf libspf2 1.0.2
  • libspf libspf2 1.0.3
  • libspf libspf2 1.0.4
  • libspf libspf2 1.2.1
  • libspf libspf2 1.2.3
  • libspf libspf2 1.2.4
  • libspf libspf2 1.2.5
  • libspf libspf2 1.2.6
  • libspf libspf2 1.2.7