Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Omniauth-Apple Project | Omniauth-Apple | < 1.0.1 |
Related Weaknesses (CWE)
References
- https://github.com/nhosoya/omniauth-apple/blob/master/CHANGELOG.md#101---2020-12Release NotesThird Party Advisory
- https://github.com/nhosoya/omniauth-apple/commit/b37d5409213adae2ca06a67fec14c8dPatchThird Party Advisory
- https://github.com/nhosoya/omniauth-apple/security/advisories/GHSA-49r3-2549-363ExploitMitigationThird Party Advisory
- https://github.com/nhosoya/omniauth-apple/blob/master/CHANGELOG.md#101---2020-12Release NotesThird Party Advisory
- https://github.com/nhosoya/omniauth-apple/commit/b37d5409213adae2ca06a67fec14c8dPatchThird Party Advisory
- https://github.com/nhosoya/omniauth-apple/security/advisories/GHSA-49r3-2549-363ExploitMitigationThird Party Advisory
FAQ
What is CVE-2020-26254?
CVE-2020-26254 is a vulnerability with a CVSS score of 7.7 (HIGH). 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 vul...
How severe is CVE-2020-26254?
CVE-2020-26254 has been rated HIGH with a CVSS base score of 7.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-26254?
Check the references section above for vendor advisories and patch information. Affected products include: Omniauth-Apple Project Omniauth-Apple.