A vulnerability has been identified in RubyGems, which could be exploited by malicious users to cause a denial of service or gain elevated privileges. This issue is due to an error in the "extract_files()" [installer.rb] function that does not validate paths during the installation process, which could be exploited by attackers to overwrite arbitrary files and cause a denial of service, or potentially obtain elevated privileges.
Credits
Vulnerability reported by Gavin Sinclair
ChangeLog
2007-01-23 : Initial release
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