Cross-site scripting in Ruby on Rails

1) Cross-site scripting

EUVDB-ID: #VU32877

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2013-1855

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data when processing data passed via crafted Cascading Style Sheets (CSS) token sequences. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

The vendor has issued the following versions to address this vulnerability: 2.3.18, 3.1.12, 3.2.13.

Vulnerable software versions

Ruby on Rails: 2.3.0 - 3.2.12

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CPE2.3

• cpe:2.3:a:rails:ruby_on_rails:2.3.0:*:*:*:*:*:*:*

External links

http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html
http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html
http://lists.opensuse.org/opensuse-updates/2013-04/msg00072.html
http://lists.opensuse.org/opensuse-updates/2013-04/msg00073.html
http://lists.opensuse.org/opensuse-updates/2014-01/msg00013.html
http://rhn.redhat.com/errata/RHSA-2013-0698.html
http://rhn.redhat.com/errata/RHSA-2014-1863.html
http://support.apple.com/kb/HT5784
http://weblog.rubyonrails.org/2013/3/18/SEC-ANN-Rails-3-2-13-3-1-12-and-2-3-18-have-been-released/
http://groups.google.com/group/rubyonrails-security/msg/8ed835a97cdd1afd?dmode=source&output=gplain

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?