危険度: 中
  CVE識別番号: CAN-2004-0918
  情報公開日: 2 15, 2011

  概要

 The asn_parse_header function (asn1.c) in the SNMP module for Squid Web Proxy Cache before 2.4.STABLE7 allows remote attackers to cause a denial of service (server restart) via certain SNMP packets with negative length fields that trigger a memory allocation error.

  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: 1000526
  Trend Micro Deep Security DPI Rule Name: 1000526 - Squid SNMP ASN.1 Parser Denial Of Service

  影響を受けるソフトウェア

  • Gentoo Linux
  • OpenPKG OpenPKG 2.1
  • OpenPKG OpenPKG 2.2
  • OpenPKG OpenPKG Current
  • Red Hat Fedora Core 2.0
  • Squid Squid 2.0 PATCH2
  • Squid Squid 2.1 PATCH2
  • Squid Squid 2.3 .STABLE4
  • Squid Squid 2.3 .STABLE5
  • Squid Squid 2.4
  • Squid Squid 2.4 .STABLE2
  • Squid Squid 2.4 .STABLE6
  • Squid Squid 2.4 .STABLE7
  • Squid Squid 2.5 .STABLE1
  • Squid Squid 2.5 .STABLE3
  • Squid Squid 2.5 .STABLE4
  • Squid Squid 2.5 .STABLE5
  • Squid Squid 2.5 .STABLE6
  • Squid Squid 3.0 PRE1
  • Squid Squid 3.0 PRE2
  • Squid Squid 3.0 PRE3
  • Trustix Secure Enterprise Linux 2.0
  • Trustix Secure Linux 1.5
  • Trustix Secure Linux 2.0
  • Trustix Secure Linux 2.1
  • Ubuntu Ubuntu Linux 4.1