CVE-2015-1840

Public Exploit

Description

jquery_ujs.js in jquery-rails before 3.1.3 and 4.x before 4.0.4 and rails.js in jquery-ujs before 1.0.4, as used with Ruby on Rails 3.x and 4.x, allow remote attackers to bypass the Same Origin Policy, and trigger transmission of a CSRF token to a different-domain web server, via a leading space character in a URL within an attribute value.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.34%
Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory github.com Vendor Advisory github.com Vendor Advisory google.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.fedoraproject.org/pipermail/package-announce/2015-June/161043.html third party advisory vendor advisory
http://lists.opensuse.org/opensuse-updates/2015-07/msg00041.html third party advisory vendor advisory
http://openwall.com/lists/oss-security/2015/06/16/15 mailing list
http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160906.html third party advisory vendor advisory
https://groups.google.com/forum/message/raw?msg=rubyonrails-security/XIZPbobuwaY/fqnzzpuOlA4J vendor advisory mailing list exploit
http://www.securityfocus.com/bid/75239 vdb entry
https://github.com/rails/jquery-ujs/blob/master/CHANGELOG.md vendor advisory
https://github.com/rails/jquery-rails/blob/master/CHANGELOG.md vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-1840?
CVE-2015-1840 has been scored as a medium severity vulnerability.
How to fix CVE-2015-1840?
To fix CVE-2015-1840, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-1840 being actively exploited in the wild?
It is possible that CVE-2015-1840 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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