Ruby eval.c could allow security bypass
| ruby-eval-security-bypass (22360) |  High Risk |
Description:
Ruby could allow a remote attacker to bypass security restrictions caused by a vulnerability in eval.c. A remote attacker could use this vulnerability to bypass security restrictions and execute arbitrary code on the system.
Platforms Affected:
- Canonical, Ubuntu 4.10
- Canonical, Ubuntu 5.04
- Debian, Debian Linux 3.0
- Debian, Debian Linux 3.1
- Gentoo, Linux
- MandrakeSoft, Mandrake Linux 10.1 X86_64
- MandrakeSoft, Mandrake Linux 10.1
- MandrakeSoft, Mandrake Linux 2006 X86_64
- MandrakeSoft, Mandrake Linux 2006
- MandrakeSoft, Mandrake Linux LE2005 X86_64
- MandrakeSoft, Mandrake Linux LE2005
- MandrakeSoft, Mandrake Linux Corporate Server 2.1
- MandrakeSoft, Mandrake Linux Corporate Server 2.1 X86_64
- MandrakeSoft, Mandrake Linux Corporate Server 3.0
- MandrakeSoft, Mandrake Linux Corporate Server 3.0 X86_64
- RedHat, Enterprise Linux 2.1 ES
- RedHat, Enterprise Linux 2.1 WS
- RedHat, Enterprise Linux 2.1 AS
- RedHat, Enterprise Linux 3 Desktop
- RedHat, Enterprise Linux 3 AS
- RedHat, Enterprise Linux 3 ES
- RedHat, Enterprise Linux 3 WS
- RedHat, Enterprise Linux 4 AS
- RedHat, Enterprise Linux 4 WS
- RedHat, Enterprise Linux 4 ES
- RedHat, Enterprise Linux 4 Desktop
- Yukihiro Matsumoto, Ruby 1.6 to 1.6.8
- Yukihiro Matsumoto, Ruby 1.8 to 1.8.2
Remedy:
Upgrade to the latest version of Ruby (1.8.3 or later), available from the Ruby FTP Web page. See References.
For Ruby 1.6.8:
Apply the 1.6.8-patch1 patch for this vulnerability, available from the Ruby FTP Web page. See References.
For Debian GNU/Linux:
Refer to DSA-864-1, DSA-862-1, and DSA-860-1 for patch, upgrade, or suggested workaround information. See References.
For Red Hat Linux:
Refer to RHSA-2005:799-6 for patch, upgrade, or suggested workaround information. See References.
For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 2005-10-05 for patch, upgrade, or suggested workaround information. See References.
For Ubuntu Linux:
Refer to USN-195-1 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
Consequences:
Bypass Security
References:
- Ruby FTP Web page, ruby-1.8.3 at ftp://ftp.ruby-lang.org/pub/ruby/.
- BID-14909: Yukihiro Matsumoto Ruby SAFE Level Restriction Bypass Vulnerability
- BID-17951: Apple Mac OS X Security Update 2006-003 Multiple Vulnerabilities
- CVE-2005-2337: Ruby 1.6.x up to 1.6.8, 1.8.x up to 1.8.2, and 1.9.0 development up to 2005-09-01 allows attackers to bypass safe level and taint flag protections and execute disallowed code when Ruby processes a program through standard input (stdin).
- DSA-860: ruby -- programming error
- DSA-862: ruby1.6 -- programming error
- DSA-864: ruby1.8 -- programming error
- GLSA-200510-05: Ruby: Security bypass vulnerability
- MDKSA-2005:191: Updated ruby packages fix safe level and taint flag protections vulnerability
- RHSA-2005-799: ruby security update
- SA16904: Ruby Safe-Level Security Bypass and Server Classes Denial of Service
- SA20077: Mac OS X Security Update Fixes Multiple Vulnerabilities
- SECTRACK ID: 1014948: Ruby State Error May Let Users Bypass Safe Level Restrictions
- SUSE-SR:2006:005: SUSE Security Summary Report
- US-CERT VU#160012: Ruby safe-level security model bypass
- USN-195-1: Ruby vulnerability
- VUPEN/ADV-2006-1779: Apple Mac OS X Multiple Remote and Client-Side Code Execution Vulnerabilities
Reported:
Sep 21, 2005
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