Trend Micro Security

Multiple Vendors libspf2 DNS TXT Record Parsing Buffer Overflow

2011年2月15日
  危険度: : 緊急
  CVE識別番号: CVE-2008-2469

  概要

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.

  トレンドマイクロの対策

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.

  対応方法

  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

  影響を受けるソフトウェア

  • 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