Multiple Vendors libspf2 DNS TXT Record Parsing Buffer Overflow
Severity: CRITICAL
CVE Identifier: CVE-2008-2469
Advisory Date: FEB 15, 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.
TREND MICRO PROTECTION INFORMATION
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: 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