Squid Web Proxy Cache FTP data channels could allow data injection or data hijacking
| squid-ftp-data-injection (9479) |  Medium Risk |
Description:
A vulnerability regarding the lack of sanity checking on FTP data channels in Squid Web Proxy Cache versions 2.x up to and including 2.4.STABLE6 could allow a remote attacker to inject arbitrary data or hijack data from FTP data channels and possibly bypass firewall rules.
Platforms Affected:
- Conectiva, Linux 6.0
- Conectiva, Linux 7.0
- Conectiva, Linux 8.0
- RedHat, Enterprise Linux 2.1 AS
- RedHat, Linux 6.2
- RedHat, Linux 7
- RedHat, Linux 7.1
- RedHat, Linux 7.1 for iSeries
- RedHat, Linux 7.1 for pSeries
- RedHat, Linux 7.2
- RedHat, Linux 7.3
- SCO, Caldera OpenServer 5.0.5
- SCO, Caldera OpenServer 5.0.6
- Squid-Cache, Squid 2.0
- Squid-Cache, Squid 2.1
- Squid-Cache, Squid 2.2
- Squid-Cache, Squid 2.2.STABLE5
- Squid-Cache, Squid 2.3
- Squid-Cache, Squid 2.3.STABLE2
- Squid-Cache, Squid 2.3.STABLE3
- Squid-Cache, Squid 2.3.STABLE4
- Squid-Cache, Squid 2.3.STABLE4-11
- Squid-Cache, Squid 2.3.STABLE5
- Squid-Cache, Squid 2.4
- Squid-Cache, Squid 2.4.DEVEL2
- Squid-Cache, Squid 2.4.DEVEL4
- Squid-Cache, Squid 2.4.PRE-STABLE
- Squid-Cache, Squid 2.4.PRE-STABLE2
- Squid-Cache, Squid 2.4.STABLE1
- Squid-Cache, Squid 2.4.STABLE2
- Squid-Cache, Squid 2.4.STABLE2-2
- Squid-Cache, Squid 2.4.STABLE2-3
- Squid-Cache, Squid 2.4.STABLE4
- Squid-Cache, Squid 2.4.STABLE6
Remedy:
Upgrade to the latest version of Squid Web Proxy Cache (2.4.STABLE7 or later), as listed in Squid Proxy Cache Security Update Advisory SQUID-2002:3. See References.
For Red Hat Linux:
Upgrade to the latest Squid package, as listed below. Refer to RHSA-2002:051-16 for more information. See References.
Red Hat 6.2: 2.4.STABLE6-6.6.2 or later
Red Hat 7.0: 2.4.STABLE6-6.7.0 or later
Red Hat 7.1: 2.4.STABLE6-6.7.1 or later
Red Hat 7.2 and 7.3: 2.4.STABLE6-6.7.3 or later
For Conectiva Linux:
Upgrade to the latest Squid packages, as listed below. Refer to Conectiva Linux Security Announcement CLA-2002:506 for more information. See References.
Conectiva 6.0: 2.4.7-1U60_3cl or later
Conectiva 7.0: 2.4.7-1U70_3cl or later
Conectiva 8.0: 2.4.7-1U8_3cl or later
For Caldera OpenServer 5.0.5 and 5.0.6:
Upgrade to the appropriate fixed binaries, as listed in SCO Security Advisory CSSA-2003-SCO.9. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
Consequences:
Bypass Security
References:
- Conectiva Linux Announcement CLSA-2002:506, squid at http://distro.conectiva.com/atualizacoes/?id=a&anuncio=000506.
- SCO Security Advisory CSSA-2003-SCO.9, Buffer overflows and other security vulnerabilities in Squid at ftp://ftp.sco.com/pub/updates/OpenServer/CSSA-2003-SCO.9/CSSA-2003-SCO.9.txt.
- Squid Proxy Cache Security Update Advisory SQUID-2002:3, Squid Proxy Cache Security Update Advisory at http://www.squid-cache.org/Advisories/SQUID-2002_3.txt.
- Trustix Secure Linux Security Advisory #2002-0062, squid at http://marc.theaimsgroup.com/?l=bugtraq&m=102674543407606&w=2. (From The AIMS Group archive.)
- BID-5158: Squid FTP Proxy Data Channel Vulnerabilities
- CVE-2002-0714: FTP proxy in Squid before 2.4.STABLE6 does not compare the IP addresses of control and data connections with the FTP server, which allows remote attackers to bypass firewall rules or spoof FTP server responses.
- OSVDB ID: 5924: Squid Proxy FTP Channel Injection
- RHSA-2002-051: New Squid packages available
- RHSA-2002-130: squid security update
Reported:
Jul 03, 2002
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
Copyright (c) 1994-2008 Internet Security Systems, Inc. All rights reserved worldwide.
For corrections or additions please email xforce@iss.net