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The final version of the CSI 6.0 has been released. 
Find out why this is not just another Patch Management solution: http://secunia.com/blog/325/

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TITLE:
Ruby on Rails JSON Parser YAML Handling Vulnerability

SECUNIA ADVISORY ID:
SA51938

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/51938/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=51938

RELEASE DATE:
2013-01-29

DISCUSS ADVISORY:
http://secunia.com/advisories/51938/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/51938/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
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https://ca.secunia.com/?page=viewadvisory&vuln_id=51938

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A vulnerability has been reported in Ruby on Rails, which can be
exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to an input validation error within
the "convert_json_to_yaml()" method of the JSON Parser when decoding
YAML input.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is reported in versions prior to 3.0.20 and 2.3.16.

SOLUTION:
Update to version 3.0.20 or 2.3.16.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Lawrence Pit, Mirror42.

ORIGINAL ADVISORY:
Ruby on Rails:
http://weblog.rubyonrails.org/2013/1/28/Rails-3-0-20-and-2-3-16-have-been-released/
https://groups.google.com/forum/?fromgroups=#!topic/rubyonrails-security/1h2DR63ViGo

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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About:
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vulnerabilities.

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