What is the CVSS score of CVE-2020-26254?

CVE-2020-26254 has a CVSS 3.1 base score of 7.7 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N. EPSS exploitation probability: 1.3%.

Is there a public PoC exploit available for CVE-2020-26254?

Yes, a public proof-of-concept exploit is available for CVE-2020-26254. Prioritise patching immediately. EPSS: 1.3%.

Is there a patch available for CVE-2020-26254?

Yes, a patch is available for CVE-2020-26254. Update the affected software to the latest version immediately.

Omniauth Apple CVE-2020-26254

HIGH

Authentication Bypass by Spoofing (CWE-290)

2020-12-08 security-advisories@github.com

Authentication Bypass Apple Omniauth Apple

7.7

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.7 HIGH

AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Dec 08, 2020 - 15:15 nvd

HIGH 7.7

DescriptionNVD

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.

AnalysisAI

omniauth-apple is the OmniAuth strategy for "Sign In with Apple" (RubyGem omniauth-apple). Rated high severity (CVSS 7.7), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-290. 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. Affected products include: Omniauth-Apple Project Omniauth-Apple. Version information: version 1.0.1.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.