Advisory Published

USN-3808-1: Ruby vulnerabilities

First published: Mon Nov 05 2018(Updated: )

It was discovered that Ruby incorrectly handled certain X.509 certificates. An attacker could possibly use this issue to bypass the certificate check. (CVE-2018-16395) It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. (CVE-2018-16396)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/libruby2.5<2.5.1-5ubuntu4.1
2.5.1-5ubuntu4.1
=18.10
All of
ubuntu/ruby2.5<2.5.1-5ubuntu4.1
2.5.1-5ubuntu4.1
=18.10
All of
ubuntu/libruby2.5<2.5.1-1ubuntu1.1
2.5.1-1ubuntu1.1
=18.04
All of
ubuntu/ruby2.5<2.5.1-1ubuntu1.1
2.5.1-1ubuntu1.1
=18.04
All of
ubuntu/libruby2.3<2.3.1-2~16.04.11
2.3.1-2~16.04.11
=16.04
All of
ubuntu/ruby2.3<2.3.1-2~16.04.11
2.3.1-2~16.04.11
=16.04
All of
ubuntu/libruby1.9.1<1.9.3.484-2ubuntu1.13
1.9.3.484-2ubuntu1.13
=14.04
All of
ubuntu/libruby2.0<2.0.0.484-1ubuntu2.11
2.0.0.484-1ubuntu2.11
=14.04
All of
ubuntu/ruby1.9.1<1.9.3.484-2ubuntu1.13
1.9.3.484-2ubuntu1.13
=14.04
All of
ubuntu/ruby1.9.3<1.9.3.484-2ubuntu1.13
1.9.3.484-2ubuntu1.13
=14.04
All of
ubuntu/ruby2.0<2.0.0.484-1ubuntu2.11
2.0.0.484-1ubuntu2.11
=14.04

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID of this advisory?

    The vulnerability ID of this advisory is USN-3808-1.

  • What is the severity of USN-3808-1?

    The severity of USN-3808-1 is not specified in the information provided.

  • How does Ruby handle X.509 certificates?

    Ruby incorrectly handles certain X.509 certificates.

  • What is the potential impact of the X.509 certificate issue?

    An attacker could possibly bypass the certificate check.

  • How does Ruby handle certain inputs?

    Ruby incorrectly handles certain inputs.

  • What is the potential impact of the input handling issue?

    An attacker could possibly execute arbitrary code.

  • How do I check if I am affected by this vulnerability?

    Check if you are using the affected versions of libruby2.5, ruby2.5, libruby2.3, ruby2.3, libruby1.9.1, libruby2.0, ruby1.9.1, ruby1.9.3, or ruby2.0 on Ubuntu.

  • How do I fix the vulnerability?

    Update to version 2.5.1-5ubuntu4.1 of libruby2.5 and ruby2.5, or version 2.3.1-2~16.04.11 of libruby2.3 and ruby2.3, or version 1.9.3.484-2ubuntu1.13 of libruby1.9.1, ruby1.9.1, ruby1.9.3, or ruby2.0, depending on the Ubuntu version you are using.

  • Where can I find more information about this vulnerability?

    You can find more information about this vulnerability in the provided references.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203