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CVE-2013-1857

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Date: March 19, 2013

The sanitize helper in lib/action_controller/vendor/html-scanner/html/sanitizer.rb in the Action Pack component in Ruby on Rails before 2.3.18, 3.0.x and 3.1.x before 3.1.12, and 3.2.x before 3.2.13 does not properly handle encoded : (colon) characters in URLs, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted scheme name, as demonstrated by including a : sequence.

Language: Ruby

Severity Score

Related Resources (16)

http://rhn.redhat.com/errata/RHSA-2013-0698.html
http://lists.opensuse.org/opensuse-updates/2013-04/msg00073.html
https://web.archive.org/web/20130609174600/http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html
http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html
http://weblog.rubyonrails.org/2013/3/18/SEC-ANN-Rails-3-2-13-3-1-12-and-2-3-18-have-been-released
https://groups.google.com/group/rubyonrails-security/msg/78b9817a5943f6d6?dmode=source&output=gplain
http://support.apple.com/kb/HT5784
http://lists.opensuse.org/opensuse-updates/2014-01/msg00013.html
https://web.archive.org/web/20131109010518/http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html
https://github.com/rails/rails
http://rhn.redhat.com/errata/RHSA-2014-1863.html
https://nvd.nist.gov/vuln/detail/CVE-2013-1857
http://weblog.rubyonrails.org/2013/3/18/SEC-ANN-Rails-3-2-13-3-1-12-and-2-3-18-have-been-released/
http://lists.opensuse.org/opensuse-updates/2013-04/msg00072.html
http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html
https://www.mend.io/vulnerability-database/CVE-2013-1857

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

Top Fix

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Upgrade to version actionpack - 2.3.18;actionpack - 3.1.12;actionpack - 3.2.13

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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