Ruby CGI module denial of service
| ruby-cgi-dos (17985) |  Low Risk |
Description:
Ruby is vulnerable to a denial of service attack, caused by a vulnerability in the CGI module. By sending specially-crafted requests, a remote attacker could cause an infinite loop and consume a large amount of CPU resources.
Platforms Affected:
- Canonical, Ubuntu 4.10
- Debian, Debian Linux 3.0
- Gentoo, Linux
- MandrakeSoft, Mandrake Linux 10.0 AMD64
- MandrakeSoft, Mandrake Linux 10.0
- MandrakeSoft, Mandrake Linux 10.1
- MandrakeSoft, Mandrake Linux 10.1 X86_64
- MandrakeSoft, Mandrake Linux 9.2
- MandrakeSoft, Mandrake Linux 9.2 AMD64
- MandrakeSoft, Mandrake Linux Corporate Server 2.1
- MandrakeSoft, Mandrake Linux Corporate Server 2.1 X86_64
- RedHat, Enterprise Linux 2.1 WS
- RedHat, Enterprise Linux 2.1 AS
- RedHat, Enterprise Linux 2.1 ES
- RedHat, Enterprise Linux 3 ES
- RedHat, Enterprise Linux 3 AS
- RedHat, Enterprise Linux 3 Desktop
- RedHat, Enterprise Linux 3 WS
- Turbolinux, Turbolinux 10 Desktop
- Turbolinux, Turbolinux 10 F...
- Turbolinux, Turbolinux 10 Server
- Turbolinux, Turbolinux 7 Server
- Turbolinux, Turbolinux 7 Workstation
- Turbolinux, Turbolinux 8 Server
- Turbolinux, Turbolinux 8 Workstation
- Turbolinux, Turbolinux Home
- Yukihiro Matsumoto, Ruby
Remedy:
For Debian GNU/Linux 3.0 (woody):
Upgrade to the latest ruby package, as listed below. Refer to DSA-586-1 for more information. See References.
Debian GNU/Linux 3.0 (woody): 1.6.7-3woody4 or later
For Mandrake Linux:
Upgrade to the latest ruby package, as listed below. Refer to MandrakeSoft Security Advisory MDKSA-2004:128 for more information. See References.
Mandrake Linux 10.1: 1.8.1-4.2.101mdk or later
Mandrake Linux 9.2: 1.8.0-4.2.92mdk or later
Mandrake Linux Corporate Server 2.1: 1.6.7-5.2.C21mdk or later
Mandrake Linux 10.0: 1.8.1-1.2.100mdk or later
For Ubuntu Linux:
Upgrade to the latest libruby package (1.8.1+1.8.2pre2-3ubuntu0.1 or later), as listed in USN-20-1 November 08, 2004 for more information. See References.
For Gentoo Linux:
Upgrade to the latest version of Ruby (1.6.8-r12, >= 1.8.2_pre3 or later), as listed in GLSA 200411-23. See References.
For Red Hat Linux:
Upgrade to the latest ruby package, as listed below. Refer to RHSA-2004:635-06 for more information. See References.
Red Hat Enterprise Linux AS, ES, WS (v. 3) and Desktop 3: 1.6.8-9.EL3.3 or later Red Hat Enterprise Linux AS, ES, WS (v. 2.1): 1.6.4-2.AS21.1 or later
For Turbolinux:
Upgrade to the latest ruby package, as listed below. Refer to Turbolinux Security Advisory TLSA-2005-15 for more information. See References.
Turbolinux 10 Server: 1.8.1-4 or later
Turbolinux Home: 1.6.8-2 or later
Turbolinux 10 Desktop: 1.6.8-2 or later
Turbolinux 8 Server: 1.6.4-4 or later
Turbolinux 8 Workstation: 1.6.4-4 or later
Turbolinux 7 Server: 1.6.4-4 or later
Turbolinux 7 Workstation: 1.6.4-4 or later
For other distributions:
Contact your vendor for upgrade or patch information.
Consequences:
Denial of Service
References:
- BID-11618: Yukihiro Matsumoto Ruby CGI Module Unspecified Denial Of Service Vulnerability
- CVE-2004-0983: The CGI module in Ruby 1.6 before 1.6.8, and 1.8 before 1.8.2, allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a certain HTTP request.
- DSA-586: ruby -- infinite loop
- GLSA-200411-23: Ruby: Denial of Service issue
- MDKSA-2004:128: Updated ruby packages fix remote DoS vulnerability
- RHSA-2004-635: ruby security update
Reported:
Nov 08, 2004
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