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    <title>Most recent entries from all</title>
    <link>https://cve.radiocsirt.org</link>
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      <title>CVE-2022-3786 — X.509 Email Address Variable Length Buffer Overflow</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2022-3786</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; OpenSSL, Siemens Calibre ICE, Siemens Mcenter, Siemens SCALANCE X204RNA (HSR), Siemens SCALANCE X204RNA (PRP), Siemens SCALANCE X204RNA EEC (HSR), Siemens SCALANCE X204RNA EEC (PRP), Siemens SCALANCE X204RNA EEC (PRP/HSR), Siemens SICAM GridPass, Siemens SIMATIC RTLS Locating Manager&lt;/p&gt;
&lt;p&gt;A buffer overrun can be triggered in X.509 certificate verification, specifically in name constraint checking. Note that this occurs after certificate chain signature verification and requires either a CA to have signed a malicious certificate or for an application to continue certificate verification despite failure to construct a path to a trusted issuer. An attacker can craft a malicious email address in a certificate to overflow an arbitrary number of bytes containing the `.&amp;#39; character (decimal 46) on the stack. This buffer overflow could result in a crash (causing a denial of service). In a TLS client, this can be triggered by connecting to a malicious server. In a TLS server, this can be triggered if the server requests client authentication and a malicious client connects.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; OpenSSL, Siemens Calibre ICE, Siemens Mcenter, Siemens SCALANCE X204RNA (HSR), Siemens SCALANCE X204RNA (PRP), Siemens SCALANCE X204RNA EEC (HSR), Siemens SCALANCE X204RNA EEC (PRP), Siemens SCALANCE X204RNA EEC (PRP/HSR), Siemens SICAM GridPass, Siemens SIMATIC RTLS Locating Manager&lt;/p&gt;
&lt;p&gt;A buffer overrun can be triggered in X.509 certificate verification, specifically in name constraint checking. Note that this occurs after certificate chain signature verification and requires either a CA to have signed a malicious certificate or for an application to continue certificate verification despite failure to construct a path to a trusted issuer. An attacker can craft a malicious email address in a certificate to overflow an arbitrary number of bytes containing the `.&amp;#39; character (decimal 46) on the stack. This buffer overflow could result in a crash (causing a denial of service). In a TLS client, this can be triggered by connecting to a malicious server. In a TLS server, this can be triggered if the server requests client authentication and a malicious client connects.&lt;/p&gt;</content:encoded>
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