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CVE-2004-0918

Status Candidate

Overview

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.

Related Files

iDEFENSE Security Advisory 2004-10-11.t
Posted Oct 13, 2004
Authored by iDefense Labs | Site idefense.com

iDEFENSE Security Advisory 10.11.04 - Remote exploitation of a design error in the SNMP module of Squid Web Proxy Cache may lead to a denial of service. The problem specifically exists due to an ASN1 parsing error where certain header length combinations can slip through the validations performed by the ASN1 parser, eventually causing the server to restart and close all current connections. The server takes several seconds to restart.

tags | advisory, remote, web, denial of service
advisories | CVE-2004-0918
SHA-256 | 00744a5e7cc95517a2ff10c38f84a9a46424bca636ffcb8837c7e1ee321a604b
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