CVE-2019-14537: Access of Resource Using Incompatible Type ('Type Confusion') in yourls/yourls

Published Aug 7, 2019
·
Updated

Impact YOURLS through 1.7.3 is affected by a type juggling vulnerability in the API component that can result in login bypass.

Patches https://github.com/YOURLS/YOURLS/releases/tag/1.7.4 https://github.com/YOURLS/YOURLS/pull/2542

References https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14537 https://github.com/Wocanilo/CVE-2019-14537

For more information If you have any questions or comments about this advisory: Open an issue in YOURLS repository

Other sources

Access of Resource Using Incompatible Type ('Type Confusion') in yourls/yourls

— Packagist

Affected Software

3 affected componentsFixes available
Yourls Yourls<=1.7.3
composer/yourls/yourls<1.7.4
1.7.4
composer/yourls/yourls<1.7.4
1.7.4

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade composer/yourls/yourls to a version that resolves this vulnerability.

    Fixed in 1.7.4
  2. Upgrade

    Upgrade yourls/yourls to a version that resolves this vulnerability.

    Fixed in 1.7.4

Event History

Aug 7, 2019
CVE Published
via MITRE·04:43 PM
Data Sourced
via MITRE·04:43 PM
Description
Data Sourced
via NVD·05:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Sep 23, 2019
Advisory Published
via GitHub·06:32 PM
Data Sourced
via GitHub·06:32 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via Packagist·06:32 PM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is CVE-2019-14537?

CVE-2019-14537 is a type juggling vulnerability in the YOURLS through 1.7.3 API component that can result in login bypass.

2

How severe is CVE-2019-14537?

CVE-2019-14537 has a severity score of 9.8, which is considered critical.

3

What software versions are affected by CVE-2019-14537?

YOURLS versions up to and including 1.7.3 are affected by CVE-2019-14537.

4

How can I fix CVE-2019-14537?

To fix CVE-2019-14537, you should update YOURLS to a version higher than 1.7.3.

5

Where can I find more information about CVE-2019-14537?

You can find more information about CVE-2019-14537 on the following references: [GitHub](https://github.com/Wocanilo/CVE-2019-14537), [YOURLS Commits](https://github.com/YOURLS/YOURLS/commits/master), [YOURLS Pull Request](https://github.com/YOURLS/YOURLS/pull/2542).

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