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Secunia Security Advisory 51938

Secunia Security Advisory 51938
Posted Jan 29, 2013
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A vulnerability has been reported in Ruby on Rails, which can be exploited by malicious people to compromise a vulnerable system.

tags | advisory, ruby
MD5 | eec7e0bd3bc57a042e9e295468c4b30d

Secunia Security Advisory 51938

Change Mirror Download
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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
* Secunia PoC
* Secunia Analysis
* Systems Affected
* Approve Distribution
* Remediation Status
* Secunia CVSS Score
* CVSS

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/

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

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