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CVE-2020-26254

7.7 · HIGH

omniauth-apple is the OmniAuth strategy for "Sign In with Apple" (RubyGem omniauth-apple).

Published Dec 8, 2020CWE-290EPSS 1.34%

Overview

CVE-2020-26254 is a high-severity vulnerability. It was published on December 8, 2020 and has a CVSS 3.1 base score of 7.7 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

omniauth-apple is the OmniAuth strategy for "Sign In with Apple" (RubyGem omniauth-apple). In omniauth-apple before version 1.0.1 attackers can fake their email address during authentication. This vulnerability impacts applications using the omniauth-apple strategy of OmniAuth and using the info.email field of OmniAuth's Auth Hash Schema for any kind of identification. The value of this field may be set to any value of the attacker's choice including email addresses of other users. Applications not using info.email for identification but are instead using the uid field are not impacted in the same manner. Note, these applications may still be negatively affected if the value of info.email is being used for other purposes. Applications using affected versions of omniauth-apple are advised to upgrade to omniauth-apple version 1.0.1 or later.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/nhosoya/omniauth-apple/blob/master/CHANGELOG.md#101---2020-12-03GitHubgithub.com/nhosoya/omniauth-apple/commit/b37d5409213adae2ca06a67fec14c8d3d07d9016GitHubgithub.com/nhosoya/omniauth-apple/security/advisories/GHSA-49r3-2549-3633GitHubgithub.com/nhosoya/omniauth-apple/blob/master/CHANGELOG.md#101---2020-12-03GitHubgithub.com/nhosoya/omniauth-apple/commit/b37d5409213adae2ca06a67fec14c8d3d07d9016GitHubgithub.com/nhosoya/omniauth-apple/security/advisories/GHSA-49r3-2549-3633

How CyberStrike helps

Frequently asked questions

What is CVE-2020-26254?

CVE-2020-26254 is a high-severity vulnerability. It was published on December 8, 2020 and has a CVSS 3.1 base score of 7.7 (HIGH).

How severe is CVE-2020-26254?

This vulnerability has a CVSS 3.1 base score of 7.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2020-26254?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-26254?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-26254 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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