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      <title>CVE-2024-21632 — omniauth-microsoft_graph vulnerable to account takeover (nOAuth)</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2024-21632</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; synth omniauth-microsoft_graph&lt;/p&gt;
&lt;p&gt;omniauth-microsoft_graph provides an Omniauth strategy for the Microsoft Graph API. Prior to versions 2.0.0, the implementation did not validate the legitimacy of the `email` attribute of the user nor did it give/document an option to do so, making it susceptible to nOAuth misconfiguration in cases when the `email` is used as a trusted user identifier. This could lead to account takeover. Version 2.0.0 contains a fix for this issue.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; synth omniauth-microsoft_graph&lt;/p&gt;
&lt;p&gt;omniauth-microsoft_graph provides an Omniauth strategy for the Microsoft Graph API. Prior to versions 2.0.0, the implementation did not validate the legitimacy of the `email` attribute of the user nor did it give/document an option to do so, making it susceptible to nOAuth misconfiguration in cases when the `email` is used as a trusted user identifier. This could lead to account takeover. Version 2.0.0 contains a fix for this issue.&lt;/p&gt;</content:encoded>
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