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Secunia Security Advisory 50128

Secunia Security Advisory 50128
Posted Aug 13, 2012
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Some vulnerabilities have been reported in Ruby on Rails, which can be exploited by malicious people to conduct cross-site scripting attacks.

tags | advisory, vulnerability, xss, ruby
SHA-256 | 73a4623371bb5930237c1d264471f5292083a3abea74ab2f2555ea019bec6114

Secunia Security Advisory 50128

Change Mirror Download
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TITLE:
Ruby on Rails Three Cross-Site Scripting Vulnerabilities

SECUNIA ADVISORY ID:
SA50128

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/50128/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=50128

RELEASE DATE:
2012-08-10

DISCUSS ADVISORY:
http://secunia.com/advisories/50128/#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/50128/

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=50128

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:
Some vulnerabilities have been reported in Ruby on Rails, which can
be exploited by malicious people to conduct cross-site scripting
attacks.

1) The "strip_tags" helper method does not properly sanitise
malformed HTML, which can be exploited to execute arbitrary HTML and
script code in a user's browser session in context of an affected
site.

2) Input passed via a "prompt" value is not properly sanitised in the
"select_tag" helper method before being returned to the user. This can
be exploited to execute arbitrary HTML and script code in a user's
browser session in context of an affected site.

3) The HTML escaping code functionality does not properly escape a
single quote character, which can be exploited to execute arbitrary
HTML and script code in a user's browser session in context of an
affected site.

The vulnerabilities are reported in versions prior to 3.0.17, prior
to 3.1.8, and prior to 3.2.8.

SOLUTION:
Update to version 3.0.17, 3.1.8, or 3.2.8.

PROVIDED AND/OR DISCOVERED BY:
1) The vendor credits Marek, Nethemba.
2, 3) Reported by the vendor.

ORIGINAL ADVISORY:
Ruby on Rails:
http://weblog.rubyonrails.org/2012/8/9/ann-rails-3-2-8-has-been-released/
https://groups.google.com/forum/?fromgroups#!topic/rubyonrails-security/FgVEtBajcTY
https://groups.google.com/forum/?fromgroups#!topic/rubyonrails-security/fV3QUToSMSw
https://groups.google.com/forum/?fromgroups#!topic/rubyonrails-security/kKGNeMrnmiY

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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