OpenPKG Security Advisory

Publisher Name:          OpenPKG GmbH
Publisher Home:          http://openpkg.com/

Advisory Id (public):    OpenPKG-SA-2004.008
Advisory Type:           OpenPKG Security Advisory (SA)
Advisory Directory:      http://openpkg.com/go/OpenPKG-SA
Advisory Document:       http://openpkg.com/go/OpenPKG-SA-2004.008
Advisory Published:      2008-11-21 20:29 UTC

Issue Id (internal):     OpenPKG-SI-20040401.01
Issue First Created:     2004-04-01
Issue Last Modified:     2006-11-28
Issue Revision:          06


Subject Name:            Squid
Subject Summary:         World Wide Web Proxy Server
Subject Home:            http://www.squid-cache.org/
Subject Versions:        * <= 2.5.4

Vulnerability Id:        CVE-2004-0189
Vulnerability Scope:     global (not OpenPKG specific)

Attack Feasibility:      run-time
Attack Vector:           remote network
Attack Impact:           exposure of sensitive information

Description:
    According to a security advisory [0] from the vendor, a vulnerability
    exists in the URL unescaping logic of the Squid Web Proxy Cache
    [1]. This bug could allow an attacker to bypass certain access
    controls by inserting a NUL character into decoded URLs.

References:
    [0] http://www.squid-cache.org/Advisories/SQUID-2004_1.txt
    [1] http://www.squid-cache.org/
    [2] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0189
    [3] http://www.openpkg.org/tutorial.html#regular-source
    [4] http://www.openpkg.org/tutorial.html#regular-binary
    [5] ftp://ftp.openpkg.org/release/1.3/UPD/squid-2.5.3-1.3.1.src.rpm
    [6] ftp://ftp.openpkg.org/release/2.0/UPD/squid-2.5.4-2.0.1.src.rpm
    [7] ftp://ftp.openpkg.org/release/1.3/UPD/
    [8] ftp://ftp.openpkg.org/release/2.0/UPD/
    [9] http://www.openpkg.org/security.html#signature


Primary Package Name:    squid
Primary Package Home:    http://openpkg.org/go/package/squid

Affected Distribution:   Affected Branch:  Affected Package:
OpenPKG Community        1.3-SOLID         squid-2.5.3-1.3.0
OpenPKG Community        2.0-SOLID         squid-2.5.4-2.0.0
OpenPKG Community        CURRENT           squid-2.5.4-20040116

Corrected Distribution:  Corrected Branch: Corrected Package:
OpenPKG Community        1.3-SOLID         squid-2.5.3-1.3.1
OpenPKG Community        2.0-SOLID         squid-2.5.4-2.0.1
OpenPKG Community        CURRENT           squid-2.5.5-20040301