Two vulnerabilities have been identified in Ruby, which could be exploited by attackers to bypass security restrictions.
The first issue is due to an error in the "alias" functionality, which could be exploited by attackers to bypass safe level restrictions.
The second flaw is due to improper validation of directory operations, which could be exploited by attackers to bypass safe level restrictions and close untainted directory streams.
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Vulnerabilities reported by the vendor
ChangeLog
2006-07-12 : Initial release
Vulnerability Management
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