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Ruby Safe Level Security Bypass Vulnerabilities
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Secunia Advisory:
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SA21009
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Release Date:
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2006-07-12
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Last Update:
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2006-07-20
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Popularity:
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9,256 views
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Critical:
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Less critical
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Impact:
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Security Bypass
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Ruby 1.6.x
Ruby 1.8.x
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| CVE reference: | CVE-2006-3694
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Description:
Two vulnerabilities have been reported in Ruby, which can be exploited by malicious people to bypass certain security restrictions.
1) An error in the handling of the "alias" functionality can be exploited to bypass the safe level protection and replace methods called in the trusted level.
2) An error caused due to directory operations not being properly checked can be exploited to bypass the safe level protection and close untainted directory streams.
The vulnerabilities have been reported in version 1.8.4 and prior.
Solution:
The vulnerabilities have been fixed in a snapshot version and will also be fixed in the upcoming 1.8.5 version.
Provided and/or discovered by:
Reported by the vendor.
Changelog:
2006-07-20: Added CVE reference.
Original Advisory:
JP Vendor Status Notes (Japanese):
http://jvn.jp/jp/JVN%2383768862/index.html
http://jvn.jp/jp/JVN%2313947696/index.html
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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