cve-2024-5642
Vulnerability from cvelistv5
Published
2024-06-27 21:05
Modified
2024-11-06 20:14
Severity ?
EPSS score ?
Summary
Buffer overread when using an empty list with SSLContext.set_npn_protocols()
References
Impacted products
Vendor | Product | Version | |
---|---|---|---|
▼ | Python Software Foundation | CPython |
Version: 0 |
|
{ "containers": { "adp": [ { "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L", "version": "3.1" } }, { "other": { "content": { "id": "CVE-2024-5642", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "timestamp": "2024-06-28T13:47:34.169947Z", "version": "2.0.3" }, "type": "ssvc" } } ], "problemTypes": [ { "descriptions": [ { "description": "CWE-noinfo Not enough information", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2024-11-06T20:14:30.590Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "title": "CISA ADP Vulnrichment" }, { "providerMetadata": { "dateUpdated": "2024-08-01T21:18:06.642Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "third-party-advisory", "x_transferred" ], "url": "https://jbp.io/2024/06/27/cve-2024-5535-openssl-memory-safety.html" }, { "tags": [ "mitigation", "x_transferred" ], "url": "https://github.com/python/cpython/pull/23014" }, { "tags": [ "vendor-advisory", "x_transferred" ], "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/PLP2JI3PJY33YG6P5BZYSSNU66HASXBQ/" }, { "tags": [ "patch", "x_transferred" ], "url": "https://github.com/python/cpython/commit/39258d3595300bc7b952854c915f63ae2d4b9c3e" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/06/28/4" }, { "tags": [ "issue-tracking", "x_transferred" ], "url": "https://github.com/python/cpython/issues/121227" }, { "tags": [ "x_transferred" ], "url": "https://security.netapp.com/advisory/ntap-20240726-0005/" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "CPython", "repo": "https://github.com/python/cpython", "vendor": "Python Software Foundation", "versions": [ { "lessThan": "3.10.0b1", "status": "affected", "version": "0", "versionType": "python" } ] } ], "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "CPython 3.9 and earlier doesn\u0027t disallow configuring an empty list (\"[]\") for SSLContext.set_npn_protocols() which is an invalid value for the underlying OpenSSL API. This results in a buffer over-read when NPN is used (see \u003cspan style=\"background-color: oklab(0.0852327 0.00000386313 0.00000170618 / 0.06);\"\u003eCVE\u003c/span\u003e\u003cspan style=\"background-color: oklab(0.0852327 0.00000386313 0.00000170618 / 0.06);\"\u003e-2024\u003c/span\u003e\u003cspan style=\"background-color: oklab(0.0852327 0.00000386313 0.00000170618 / 0.06);\"\u003e-5535\u003c/span\u003e for OpenSSL). This vulnerability is of low severity due to NPN being not widely used and specifying an empty list likely being uncommon in-practice (typically a protocol name would be configured).\u003cbr\u003e" } ], "value": "CPython 3.9 and earlier doesn\u0027t disallow configuring an empty list (\"[]\") for SSLContext.set_npn_protocols() which is an invalid value for the underlying OpenSSL API. This results in a buffer over-read when NPN is used (see CVE-2024-5535 for OpenSSL). This vulnerability is of low severity due to NPN being not widely used and specifying an empty list likely being uncommon in-practice (typically a protocol name would be configured)." } ], "providerMetadata": { "dateUpdated": "2024-07-01T13:51:32.404Z", "orgId": "28c92f92-d60d-412d-b760-e73465c3df22", "shortName": "PSF" }, "references": [ { "tags": [ "third-party-advisory" ], "url": "https://jbp.io/2024/06/27/cve-2024-5535-openssl-memory-safety.html" }, { "tags": [ "mitigation" ], "url": "https://github.com/python/cpython/pull/23014" }, { "tags": [ "vendor-advisory" ], "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/PLP2JI3PJY33YG6P5BZYSSNU66HASXBQ/" }, { "tags": [ "patch" ], "url": "https://github.com/python/cpython/commit/39258d3595300bc7b952854c915f63ae2d4b9c3e" }, { "url": "http://www.openwall.com/lists/oss-security/2024/06/28/4" }, { "tags": [ "issue-tracking" ], "url": "https://github.com/python/cpython/issues/121227" }, { "url": "https://security.netapp.com/advisory/ntap-20240726-0005/" } ], "source": { "discovery": "UNKNOWN" }, "title": "Buffer overread when using an empty list with SSLContext.set_npn_protocols()", "x_generator": { "engine": "Vulnogram 0.2.0" } } }, "cveMetadata": { "assignerOrgId": "28c92f92-d60d-412d-b760-e73465c3df22", "assignerShortName": "PSF", "cveId": "CVE-2024-5642", "datePublished": "2024-06-27T21:05:31.281Z", "dateReserved": "2024-06-04T18:40:21.539Z", "dateUpdated": "2024-11-06T20:14:30.590Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2024-5642\",\"sourceIdentifier\":\"cna@python.org\",\"published\":\"2024-06-27T21:15:16.070\",\"lastModified\":\"2024-11-21T09:48:04.713\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"CPython 3.9 and earlier doesn\u0027t disallow configuring an empty list (\\\"[]\\\") for SSLContext.set_npn_protocols() which is an invalid value for the underlying OpenSSL API. This results in a buffer over-read when NPN is used (see CVE-2024-5535 for OpenSSL). This vulnerability is of low severity due to NPN being not widely used and specifying an empty list likely being uncommon in-practice (typically a protocol name would be configured).\"},{\"lang\":\"es\",\"value\":\"CPython 3.9 y versiones anteriores no permiten la configuraci\u00f3n de una lista vac\u00eda (\\\"[]\\\") para SSLContext.set_npn_protocols(), que es un valor no v\u00e1lido para la API OpenSSL subyacente. Esto da como resultado una lectura excesiva del b\u00fafer cuando se utiliza NPN (consulte CVE-2024-5535 para OpenSSL). Esta vulnerabilidad es de baja gravedad debido a que NPN no se usa ampliamente y especificar una lista vac\u00eda probablemente sea poco com\u00fan en la pr\u00e1ctica (normalmente se configurar\u00eda un nombre de protocolo).\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":3.9,\"impactScore\":2.5}]},\"references\":[{\"url\":\"http://www.openwall.com/lists/oss-security/2024/06/28/4\",\"source\":\"cna@python.org\"},{\"url\":\"https://github.com/python/cpython/commit/39258d3595300bc7b952854c915f63ae2d4b9c3e\",\"source\":\"cna@python.org\"},{\"url\":\"https://github.com/python/cpython/issues/121227\",\"source\":\"cna@python.org\"},{\"url\":\"https://github.com/python/cpython/pull/23014\",\"source\":\"cna@python.org\"},{\"url\":\"https://jbp.io/2024/06/27/cve-2024-5535-openssl-memory-safety.html\",\"source\":\"cna@python.org\"},{\"url\":\"https://mail.python.org/archives/list/security-announce@python.org/thread/PLP2JI3PJY33YG6P5BZYSSNU66HASXBQ/\",\"source\":\"cna@python.org\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20240726-0005/\",\"source\":\"cna@python.org\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/06/28/4\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://github.com/python/cpython/commit/39258d3595300bc7b952854c915f63ae2d4b9c3e\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://github.com/python/cpython/issues/121227\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://github.com/python/cpython/pull/23014\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://jbp.io/2024/06/27/cve-2024-5535-openssl-memory-safety.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://mail.python.org/archives/list/security-announce@python.org/thread/PLP2JI3PJY33YG6P5BZYSSNU66HASXBQ/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20240726-0005/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}" } }
Loading…
Loading…
Sightings
Author | Source | Type | Date |
---|
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.