Ruby contains a flaw that may allow a malicious user to bypass Safe Level restrictions. The issue is triggered when improper validation of the 'alias' function occurs. It is possible that the flaw may allow malicious code execution resulting in a loss of confidentiality, integrity.
Classification
Location:
Local Access Required,
Remote / Network Access
Attack Type:
Input Manipulation
Impact:
Loss of Confidentiality,
Loss of Integrity
Exploit:
Exploit Unknown
Disclosure:
OSVDB Verified
Solution
Upgrade to version 1.8.5 or higher, as it has been reported to fix this vulnerability. A patch is also available from various Linux vendors.