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[ GLSA 200510-05 ] Ruby: Security bypass vulnerability
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GLSA
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PostPosted: Fri Oct 07, 2005 5:25 pm    Post subject: [ GLSA 200510-05 ] Ruby: Security bypass vulnerability Reply with quote

Gentoo Linux Security Advisory

Title: Ruby: Security bypass vulnerability (GLSA 200510-05)
Severity: normal
Exploitable: remote
Date: October 06, 2005
Bug(s): #106996
ID: 200510-05

Synopsis

Ruby is vulnerable to a security bypass of the safe level mechanism.

Background

Ruby is an interpreted scripting language for quick and easy object-oriented programming. Ruby supports the safe execution of untrusted code using a safe level and taint flag mechanism.

Affected Packages

Package: dev-lang/ruby
Vulnerable: < 1.8.3
Unaffected: >= 1.8.3
Architectures: All supported architectures


Description

Dr. Yutaka Oiwa discovered that Ruby fails to properly enforce safe level protections.

Impact

An attacker could exploit this vulnerability to execute arbitrary code beyond the restrictions specified in each safe level.

Workaround

There is no known workaround at this time.

Resolution

All Ruby users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-lang/ruby-1.8.3"


References

CAN-2005-2337
Ruby release announcement


Last edited by GLSA on Sun May 07, 2006 4:59 pm; edited 1 time in total
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