CVE-2015-3649

Name: CVE-2015-3649
Creator: NVD / NIST
Published: 2017-08-18T16:29:00.297+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2015-3649 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. The open-uri-cached rubygem allows local users to execute arbitrary Ruby code by creating a directory under /tmp containing "openuri-" followed by a crafted UID, and putting Ruby code in said directory once a meta file is created.. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

The open-uri-cached rubygem allows local users to execute arbitrary Ruby code by creating a directory under /tmp containing "openuri-" followed by a crafted UID, and putting Ruby code in said directory once a meta file is created.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.39%

30.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Open-Uri-Cached Project	Open-Uri-Cached	0.0.5

References

http://www.benjaminfleischer.com/2013/03/20/yaml-and-security-in-ruby/Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/05/06/2Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/74469Third Party Advisory, VDB Entry
https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L115Third Party Advisory
https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L25Third Party Advisory
https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L39Third Party Advisory
http://www.benjaminfleischer.com/2013/03/20/yaml-and-security-in-ruby/Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/05/06/2Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/74469Third Party Advisory, VDB Entry
https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L115Third Party Advisory
https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L25Third Party Advisory
https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L39Third Party Advisory

Timeline

Published: Aug 18, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-3649?

How severe is CVE-2015-3649?

CVE-2015-3649 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2015-3649?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-3649?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST