fkie_cve-2020-36242
Vulnerability from fkie_nvd
Published
2021-02-07 20:15
Modified
2024-11-21 05:29
Severity ?
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Summary
In the cryptography package before 3.3.2 for Python, certain sequences of update calls to symmetrically encrypt multi-GB values could result in an integer overflow and buffer overflow, as demonstrated by the Fernet class.
References
cve@mitre.orghttps://github.com/pyca/cryptography/blob/master/CHANGELOG.rstRelease Notes, Third Party Advisory
cve@mitre.orghttps://github.com/pyca/cryptography/compare/3.3.1...3.3.2Patch, Third Party Advisory
cve@mitre.orghttps://github.com/pyca/cryptography/issues/5615Exploit, Patch, Third Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L7RGQLK4J5ZQFRLKCHVVG6BKZTUQMG7E/
cve@mitre.orghttps://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
cve@mitre.orghttps://www.oracle.com/security-alerts/cpujul2022.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/pyca/cryptography/blob/master/CHANGELOG.rstRelease Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/pyca/cryptography/compare/3.3.1...3.3.2Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/pyca/cryptography/issues/5615Exploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L7RGQLK4J5ZQFRLKCHVVG6BKZTUQMG7E/
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpujul2022.htmlPatch, Third Party Advisory
Impacted products
Vendor Product Version
cryptography.io cryptography *
fedoraproject fedora 33
oracle communications_cloud_native_core_network_function_cloud_native_environment 1.10.0


To clipboard 

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      },
      {
         lang: "es",
         value: "En el paquete de criptografía versiones anteriores a 3.3.2 para Python, determinadas secuencias de llamadas de actualización para cifrar simétricamente valores de varios GB podrían resultar en un desbordamiento de enteros y un desbordamiento del búfer, como es demostrado por la clase Fernet",
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   id: "CVE-2020-36242",
   lastModified: "2024-11-21T05:29:08.287",
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            {
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}


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