CVE-2020-26254

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Summary

CVECVE-2020-26254
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-12-08 15:15:00 UTC
Updated2020-12-10 14:46:00 UTC
Descriptionomniauth-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.

Risk And Classification

Problem Types: CWE-290

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Omniauth-apple Project Omniauth-apple All All All All
Application Omniauth-apple Project Omniauth-apple All All All All

References

ReferenceSourceLinkTags
omniauth-apple/CHANGELOG.md at master · nhosoya/omniauth-apple · GitHub MISC github.com Release Notes, Third Party Advisory
Use only verified email address to prevent fake email address · nhosoya/omniauth-apple@b37d540 · GitHub MISC github.com Patch, Third Party Advisory
Vulnerability allows attacker to fake their email address during authentication · Advisory · nhosoya/omniauth-apple · GitHub CONFIRM github.com Exploit, Mitigation, Third Party Advisory
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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