high
7.5
CWE
22 200
Advisory Published
Advisory Published
CVE Published
Updated

CVE-2018-3760: Path Traversal

First published: Tue Jun 19 2018(Updated: )

rubygem-sprockets before versions 2.12.5, 3.7.2 and 4.0.0beta8 are vulnerable to a path traversal flaw in the sprockets/server.rb:forbidden_request?() function. A remote attacker could exploit this to read arbitrary files from the Sprockets server. External References: <a href="http://www.openwall.com/lists/oss-security/2018/06/19/2">http://www.openwall.com/lists/oss-security/2018/06/19/2</a> <a href="https://blog.heroku.com/rails-asset-pipeline-vulnerability">https://blog.heroku.com/rails-asset-pipeline-vulnerability</a> Upstream Patch: <a href="https://github.com/rails/sprockets/commit/c09131cf5b2c479263939c8582e22b98ed616c5f">https://github.com/rails/sprockets/commit/c09131cf5b2c479263939c8582e22b98ed616c5f</a>

Credit: support@hackerone.com support@hackerone.com

Affected SoftwareAffected VersionHow to fix
rubygems/sprockets>=4.0.0.beta1<=4.0.0.beta7
4.0.0.beta8
rubygems/sprockets>=3.0.0<3.7.2
3.7.2
rubygems/sprockets<2.12.5
2.12.5
redhat/rubygem-sprockets<4.0.0
4.0.0
redhat/rubygem-sprockets<3.7.2
3.7.2
redhat/rubygem-sprockets<2.12.5
2.12.5
debian/ruby-sprockets
3.7.2-1
3.7.2-4
Redhat Cloudforms=4.5
Redhat Cloudforms=4.6
Redhat Enterprise Linux=6.0
Redhat Enterprise Linux=6.7
Redhat Enterprise Linux=7.0
Redhat Enterprise Linux=7.3
Redhat Enterprise Linux=7.4
Redhat Enterprise Linux=7.5
Redhat Enterprise Linux=7.6
Sprockets Project Sprockets>=2.0.0<=2.12.4
Sprockets Project Sprockets>=3.0.0<=3.7.1
Sprockets Project Sprockets=4.0.0-beta1
Sprockets Project Sprockets=4.0.0-beta2
Sprockets Project Sprockets=4.0.0-beta3
Sprockets Project Sprockets=4.0.0-beta4
Sprockets Project Sprockets=4.0.0-beta5
Sprockets Project Sprockets=4.0.0-beta6
Sprockets Project Sprockets=4.0.0-beta7
Debian Debian Linux=9.0

Remedy

https://groups.google.com/d/msg/rubyonrails-security/ft_J--l55fM/7roDfQ50BwAJ

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Reference Links

Frequently Asked Questions

  • What is CVE-2018-3760?

    CVE-2018-3760 is an information leak vulnerability in Sprockets that allows specially crafted requests to access files outside of an application's root directory.

  • Which versions of Sprockets are affected by CVE-2018-3760?

    Versions 4.0.0.beta7 and lower 3.x versions of Sprockets are affected by CVE-2018-3760.

  • How severe is CVE-2018-3760?

    CVE-2018-3760 has a severity rating of 7.5 (high).

  • What is the remedy for CVE-2018-3760?

    Affected users should upgrade to version 4.0.0.beta8 or use one of the workarounds provided.

  • Where can I find more information about CVE-2018-3760?

    More information about CVE-2018-3760 can be found at the following links: [NVD](https://nvd.nist.gov/vuln/detail/CVE-2018-3760), [Red Hat Security Advisories](https://access.redhat.com/errata/RHSA-2018:2244,https://access.redhat.com/errata/RHSA-2018:2245).

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