gsd-2020-36242
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
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.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2020-36242", "description": "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.", "id": "GSD-2020-36242", "references": [ "https://www.suse.com/security/cve/CVE-2020-36242.html", "https://access.redhat.com/errata/RHSA-2021:3254", "https://access.redhat.com/errata/RHSA-2021:2239", "https://access.redhat.com/errata/RHSA-2021:1608", "https://advisories.mageia.org/CVE-2020-36242.html", "https://security.archlinux.org/CVE-2020-36242", "https://linux.oracle.com/cve/CVE-2020-36242.html" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2020-36242" ], "details": "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.", "id": "GSD-2020-36242", "modified": "2023-12-13T01:21:55.450222Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-36242", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "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." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/pyca/cryptography/issues/5615", "refsource": "MISC", "url": "https://github.com/pyca/cryptography/issues/5615" }, { "name": "FEDORA-2021-8e36e7ed1a", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L7RGQLK4J5ZQFRLKCHVVG6BKZTUQMG7E/" }, { "name": "https://www.oracle.com/security-alerts/cpuapr2022.html", "refsource": "MISC", "url": "https://www.oracle.com/security-alerts/cpuapr2022.html" }, { "name": "https://github.com/pyca/cryptography/compare/3.3.1...3.3.2", "refsource": "CONFIRM", "url": "https://github.com/pyca/cryptography/compare/3.3.1...3.3.2" }, { "name": "https://github.com/pyca/cryptography/blob/master/CHANGELOG.rst", "refsource": "CONFIRM", "url": "https://github.com/pyca/cryptography/blob/master/CHANGELOG.rst" }, { "name": "https://www.oracle.com/security-alerts/cpujul2022.html", "refsource": "MISC", "url": "https://www.oracle.com/security-alerts/cpujul2022.html" } ] } }, "gitlab.com": { "advisories": [ { "affected_range": "\u003c3.3.2", "affected_versions": "All versions before 3.3.2", "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "cwe_ids": [ "CWE-1035", "CWE-120", "CWE-190", "CWE-937" ], "date": "2021-07-21", "description": "In the cryptography package 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.", "fixed_versions": [ "3.3.2" ], "identifier": "CVE-2020-36242", "identifiers": [ "CVE-2020-36242" ], "not_impacted": "All versions starting from 3.3.2", "package_slug": "pypi/cryptography", "pubdate": "2021-02-07", "solution": "Upgrade to version 3.3.2 or above.", "title": "Integer Overflow or Wraparound", "urls": [ "https://nvd.nist.gov/vuln/detail/CVE-2020-36242" ], "uuid": "30f28712-557f-4730-bb50-7715cf75c14b" } ] }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:cryptography_project:cryptography:*:*:*:*:*:python:*:*", "cpe_name": [], "versionEndExcluding": "3.3.2", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:1.10.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-36242" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "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." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-787" }, { "lang": "en", "value": "CWE-190" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/pyca/cryptography/issues/5615", "refsource": "MISC", "tags": [ "Exploit", "Patch", "Third Party Advisory" ], "url": "https://github.com/pyca/cryptography/issues/5615" }, { "name": "https://github.com/pyca/cryptography/blob/master/CHANGELOG.rst", "refsource": "CONFIRM", "tags": [ "Release Notes", "Third Party Advisory" ], "url": "https://github.com/pyca/cryptography/blob/master/CHANGELOG.rst" }, { "name": "https://github.com/pyca/cryptography/compare/3.3.1...3.3.2", "refsource": "CONFIRM", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/pyca/cryptography/compare/3.3.1...3.3.2" }, { "name": "FEDORA-2021-8e36e7ed1a", "refsource": "FEDORA", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L7RGQLK4J5ZQFRLKCHVVG6BKZTUQMG7E/" }, { "name": "https://www.oracle.com/security-alerts/cpuapr2022.html", "refsource": "MISC", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://www.oracle.com/security-alerts/cpuapr2022.html" }, { "name": "N/A", "refsource": "N/A", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://www.oracle.com/security-alerts/cpujul2022.html" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.4, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "version": "2.0" }, "exploitabilityScore": 10.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "MEDIUM", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 5.2 } }, "lastModifiedDate": "2022-12-06T21:52Z", "publishedDate": "2021-02-07T20:15Z" } } }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.