Squid Web Proxy Cache authentication header forwarding information disclosure
| squid-auth-header-forwarding (9478) |  Medium Risk |
Description:
Squid could disclose sensitive information. Under certain conditions, the Squid proxy authentication header could be forwarded to external Web sites, which could allow a remote attacker to obtain the proxy username and password.
Consequences:
Obtain Information
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.
References:
- Conectiva Linux Announcement CLSA-2002:506: squid.
- SCO Security Advisory CSSA-2003-SCO.9: Buffer overflows and other security vulnerabilities in Squid.
- Squid Proxy Cache Security Update Advisory SQUID-2002:3: Squid Proxy Cache Security Update Advisory.
- BID-5154: Squid Proxy Authentication Credential Forwarding Information Disclosure Vulnerability
- CVE-2002-0715: Vulnerability in Squid before 2.4.STABLE6 related to proxy authentication credentials may allow remote web sites to obtain the user's proxy login and password.
- RHSA-2002-051: New Squid packages available
- RHSA-2002-130: squid security update
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 STABLE5
- Squid-Cache Squid 2.3. STABLE4
- Squid-Cache Squid 2.3. STABLE3
- Squid-Cache Squid 2.3. STABLE2
- Squid-Cache Squid 2.3.STABLE4-11
- 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
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 (IBM 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.
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