Squid Web Proxy Cache ftpBuildTitleUrl() function buffer overflow
| squid-ftpbuildtitleurl-bo (8258) |  High Risk |
Description:
Squid is vulnerable to a denial of service attack caused by a buffer overflow in the ftpBuildTitleUrl() function. By sending an FTP request containing a specially-crafted username and password, a remote attacker could overflow a buffer and cause the proxy service to crash. It also may be possible for an attacker to use this vulnerability to gain root privileges on the server.
Consequences:
Gain Access
Remedy:
Upgrade to the latest version of Squid (2.4.STABLE4 or later), as listed in the Squid Proxy Cache Security Update Advisory SQUID-2002:1. See References.
For FreeBSD ports collection prior to 2002-02-19:
Upgrade to the latest ports package dated after 2002-02-19 or upgrade to the latest version of Squid (2.4_8 or later), as listed in FreeBSD, Inc. Security Advisory FreeBSD-SA-02:12. See References.
For Trustix Secure Linux 1.01, 1.1, 1.2, and 1.5:
Upgrade to the latest version of Squid (2.4.STABLE4-1tr or later), as listed in Trustix Secure Linux Bugfix Advisory #2002-0031. See References.
For Mandrake Linux 7.1, 7.2, 8.0, Corporate Server 1.0.1, and Single Network Firewall 7.2:
Upgrade to the latest version of Squid (2.4.STABLE4-1.5mdk or later), as listed in MandrakeSoft Security Advisory MDKSA-2002:016-1 : squid. See References.
For Red Hat Linux 6.2:
Upgrade to the latest version of Squid (2.4.STABLE3-1.6.2 or later), as listed in Red Hat Linux Errata Advisory RHSA-2002:029-09. See References.
For Red Hat Linux 7.0:
Upgrade to the latest version of Squid (2.4.STABLE3-1.7.0 or later), as listed in Red Hat Linux Errata Advisory RHSA-2002:029-09. See References.
For Red Hat Linux 7.1:
Upgrade to the latest version of Squid (2.4.STABLE3-1.7.1 or later), as listed in Red Hat Linux Errata Advisory RHSA-2002:029-09. See References.
For Red Hat Linux 7.2:
Upgrade to the latest version of Squid (2.4.STABLE3-1.7.2 or later), as listed in Red Hat Linux Errata Advisory RHSA-2002:029-09. See References.
For Caldera OpenServer 5.0.6a and earlier:
Upgrade to the latest version of Squid (squid-2.4.STABLE4-VOLS or later), as listed in Caldera International, Inc. Security Advisory CSSA-2002-SCO.7. See References.
For Caldera OpenLinux Server and Workstation 3.1.1:
Upgrade to the latest version of Squid (2.4.STABLE2-3 or later), as listed in Caldera International, Inc. Security Advisory CSSA-2002-010.0. See References.
For SuSE Linux 7.3 and 7.2 (Intel):
Uprade to the latest Squid packages (2.3.STABLE4-155 or later), as listed in SuSE Security Announcement SuSE-SA:2002:008. See References.
For SuSE Linux 7.1 and 7.0 (Intel):
Uprade to the latest Squid packages (2.2.STABLE5-218 or later), as listed in SuSE Security Announcement SuSE-SA:2002:008. See References.
For SuSE Linux 6.4 (Intel):
Uprade to the latest Squid packages (2.2.STABLE5-219 or later), as listed in SuSE Security Announcement SuSE-SA:2002:008. See References.
For SuSE Linux 7.3 (Sparc):
Uprade to the latest Squid packages (2.3.STABLE4-53 or later), as listed in SuSE Security Announcement SuSE-SA:2002:008. See References.
For SuSE Linux 7.1 (Sparc):
Uprade to the latest Squid packages (2.2.STABLE5-208 or later), as listed in SuSE Security Announcement SuSE-SA:2002:008. See References.
For SuSE Linux 7.0 (Sparc):
Uprade to the latest Squid packages (2.2.STABLE5-207 or later), as listed in SuSE Security Announcement SuSE-SA:2002:008. See References.
For SuSE Linux 7.3 (PPC Power PC ):
Uprade to the latest Squid packages (2.3.STABLE4-71 or later), as listed in SuSE Security Announcement SuSE-SA:2002:008. See References.
For SuSE Linux 7.1, 7.0, and 6.4 (PPC Power PC ):
Uprade to the latest Squid packages (2.2.STABLE5-200 or later), as listed in SuSE Security Announcement SuSE-SA:2002:008. See References.
For SuSE Linux 7.1 (AXP Alpha ):
Uprade to the latest Squid packages (2.2.STABLE5-225 or later), as listed in SuSE Security Announcement SuSE-SA:2002:008. See References.
For SuSE Linux 7.0 (AXP Alpha ):
Uprade to the latest Squid packages (2.2.STABLE5-226 or later), as listed in SuSE Security Announcement SuSE-SA:2002:008. See References.
For SuSE Linux 6.4 (AXP Alpha ):
Uprade to the latest Squid packages (2.2.STABLE5-227 or later), as listed in SuSE Security Announcement SuSE-SA:2002:008. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- BugTraq Mailing List, Fri Feb 22 2002 - 08:26:26 CST: Squid buffer overflow.
- Caldera International, Inc. Security Advisory CSSA-2002-010.0: Linux: ftp vulnerability in squid.
- Caldera International, Inc. Security Advisory CSSA-2002-SCO.7: OpenServer: multiple vulnerabilities in squid.
- FreeBSD Security Advisory FreeBSD-SA-02:12: multiple security vulnerabilities in squid port.
- Squid Proxy Cache Security Update Advisory SQUID-2002:1: Squid HTTP Proxy Security Update Advisory 2002:1.
- Squid Web Proxy Cache Web site: Squid Web Proxy Cache.
- Trustix Secure Linux Bugfix Advisory #2002-0031: squid-cron.
- BID-4148: Squid Cache FTP Proxy URL Buffer Overflow Vulnerability
- CVE-2002-0068: Squid 2.4 STABLE3 and earlier allows remote attackers to cause a denial of service (core dump) and possibly execute arbitrary code with an ftp:// URL with a larger number of special characters, which exceed the buffer when Squid URL-escapes the characters.
- MDKSA-2002:016: Updated squid packages fix several insecurities
- MDKSA-2002:016-1: Updated squid packages fix dependency on openldap
- OSVDB ID: 5378: Squid FTP URL Special Character Overflow
- RHSA-2002-029: New squid packages available
- US-CERT VU#613459: Squid Proxy Server contains buffer overflow in parsing of the authentication portion of FTP URLs
Platforms Affected:
- FreeBSD FreeBSD Ports Collection
- MandrakeSoft Mandrake Linux 7.1
- MandrakeSoft Mandrake Linux 7.2
- MandrakeSoft Mandrake Linux 8.0
- MandrakeSoft Mandrake Linux 8.1
- MandrakeSoft Mandrake Linux Corporate Server 1.0.1
- MandrakeSoft Mandrake Single Network Firewall 7.2
- Novell SuSE Linux Enterprise Server 7.0
- RedHat Linux 6.2
- RedHat Linux 7
- RedHat Linux 7.1
- RedHat Linux 7.2
- RedHat Linux 7.3
- SCO Caldera OpenLinux Server 3.1
- SCO Caldera OpenLinux Server 3.1.1
- SCO Caldera OpenLinux Workstation 3.1
- SCO Caldera OpenLinux Workstation 3.1.1
- Squid-Cache Squid 2.0
- Squid-Cache Squid 2.1
- Squid-Cache Squid 2.2
- Squid-Cache Squid 2.3
- Squid-Cache Squid 2.3 STABLE5
- Squid-Cache Squid 2.3.1
- Squid-Cache Squid 2.3.STABLE4-11
- Squid-Cache Squid 2.4
- Squid-Cache Squid 2.4.STABLE1
- Squid-Cache Squid 2.4.STABLE2
- Squid-Cache Squid 2.4.STABLE2-2
- Squid-Cache Squid 2.4.STABLE3
- SUSE SuSE Linux 6.4
- SUSE SuSE Linux 7.0
- SUSE SuSE Linux 7.1
- SUSE SuSE Linux 7.2
- SUSE SuSE Linux 7.3
- Trustix Secure Linux 1.01
- Trustix Secure Linux 1.1
- Trustix Secure Linux 1.2
- Trustix Secure Linux 1.5
Reported:
Feb 21, 2002
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