CVE-2015-2963

Public Exploit

Description

The thoughtbot paperclip gem before 4.2.2 for Ruby does not consider the content-type value during media-type validation, which allows remote attackers to upload HTML documents and conduct cross-site scripting (XSS) attacks via a spoofed value, as demonstrated by image/jpeg.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.57%
Vendor Advisory jvn.jp Vendor Advisory jvn.jp Vendor Advisory openwall.com Vendor Advisory github.com Vendor Advisory thoughtbot.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/75304 vdb entry
https://robots.thoughtbot.com/paperclip-security-release vendor advisory
https://github.com/thoughtbot/paperclip/commit/9aee4112f36058cd28d5fe4a006d6981bd1eda57 exploit vendor advisory
http://jvn.jp/en/jp/JVN83881261/index.html third party advisory vendor advisory
http://jvndb.jvn.jp/jvndb/JVNDB-2015-000088 third party advisory vendor advisory
http://openwall.com/lists/oss-security/2015/06/19/3 mailing list vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-2963?
CVE-2015-2963 has been scored as a medium severity vulnerability.
How to fix CVE-2015-2963?
To fix CVE-2015-2963, 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-2015-2963 being actively exploited in the wild?
It is possible that CVE-2015-2963 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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