Action not permitted
Modal body text goes here.
Modal Title
Modal Body
PYSEC-2017-8
Vulnerability from pysec - Published: 2017-03-27 17:59 - Updated: 2021-07-05 00:01HKDF in cryptography before 1.5.2 returns an empty byte-string if used with a length less than algorithm.digest_size.
| Name | purl | cryptography | pkg:pypi/cryptography |
|---|
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "cryptography",
"purl": "pkg:pypi/cryptography"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "b924696b2e8731f39696584d12cceeb3aeb2d874"
}
],
"repo": "https://github.com/pyca/cryptography",
"type": "GIT"
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.1",
"0.2",
"0.2.1",
"0.2.2",
"0.3",
"0.4",
"0.5",
"0.5.1",
"0.5.2",
"0.5.3",
"0.5.4",
"0.6",
"0.6.1",
"0.7",
"0.7.1",
"0.7.2",
"0.8",
"0.8.1",
"0.8.2",
"0.9",
"0.9.1",
"0.9.2",
"0.9.3",
"1.0",
"1.0.1",
"1.0.2",
"1.1",
"1.1.1",
"1.1.2",
"1.2",
"1.2.1",
"1.2.2",
"1.2.3",
"1.3",
"1.3.1",
"1.3.2",
"1.3.3",
"1.3.4",
"1.4",
"1.5",
"1.5.1",
"1.5.2"
]
}
],
"aliases": [
"CVE-2016-9243",
"GHSA-q3cj-2r34-2cwc"
],
"details": "HKDF in cryptography before 1.5.2 returns an empty byte-string if used with a length less than algorithm.digest_size.",
"id": "PYSEC-2017-8",
"modified": "2021-07-05T00:01:17.464237Z",
"published": "2017-03-27T17:59:00Z",
"references": [
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WQ5G7KHKZC4SI23JE7277KZXM57GEQKT/"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U23KDR2M2N7W2ZSREG63BVW7D4VC6CIZ/"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5R2ZOBMPWDFFHUZ6QOZZY36A6H5CGJXL/"
},
{
"type": "REPORT",
"url": "https://github.com/pyca/cryptography/issues/3211"
},
{
"type": "FIX",
"url": "https://github.com/pyca/cryptography/commit/b924696b2e8731f39696584d12cceeb3aeb2d874"
},
{
"type": "WEB",
"url": "https://cryptography.io/en/latest/changelog"
},
{
"type": "ADVISORY",
"url": "http://www.ubuntu.com/usn/USN-3138-1"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/94216"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2016/11/09/2"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-q3cj-2r34-2cwc"
}
]
}
BREW-ANSIBLE@10-CVE-2016-9243 (GHSA-Q3CJ-2R34-2CWC)
Vulnerability from osv_homebrew – Published: 2026-08-13 16:35 – Updated: 2026-09-09 23:41 – Source websiteHKDF in cryptography before 1.5.3 returns an empty byte-string if used with a length less than algorithm.digest_size.
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "cryptography",
"resource_purl": "pkg:pypi/cryptography@46.0.3",
"upstream_fixed_in": "1.5.3"
},
"package": {
"ecosystem": "Homebrew",
"name": "ansible@10",
"purl": "pkg:brew/ansible%4010"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "10.7.0_6"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/cryptography@46.0.3",
"name": "cryptography",
"resource": "cryptography",
"strategy": "registry",
"subject_version": "46.0.3"
}
]
},
"details": "HKDF in cryptography before 1.5.3 returns an empty byte-string if used with a length less than algorithm.digest_size.",
"id": "BREW-ansible@10-CVE-2016-9243",
"modified": "2026-09-09T23:41:05Z",
"published": "2026-08-13T16:35:22Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2016-9243"
},
{
"type": "WEB",
"url": "https://github.com/pyca/cryptography/issues/3211"
},
{
"type": "WEB",
"url": "https://github.com/pyca/cryptography/commit/b924696b2e8731f39696584d12cceeb3aeb2d874"
},
{
"type": "WEB",
"url": "https://cryptography.io/en/latest/changelog"
},
{
"type": "WEB",
"url": "https://cryptography.io/en/latest/changelog/#v1-5-3"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-q3cj-2r34-2cwc"
},
{
"type": "PACKAGE",
"url": "https://github.com/pyca/cryptography"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/cryptography/PYSEC-2017-8.yaml"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5R2ZOBMPWDFFHUZ6QOZZY36A6H5CGJXL"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U23KDR2M2N7W2ZSREG63BVW7D4VC6CIZ"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WQ5G7KHKZC4SI23JE7277KZXM57GEQKT"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2016/11/09/2"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/94216"
},
{
"type": "WEB",
"url": "http://www.ubuntu.com/usn/USN-3138-1"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Improper input validation in cryptography",
"upstream": [
"GHSA-q3cj-2r34-2cwc",
"CVE-2016-9243",
"PYSEC-2017-8"
]
}
BREW-ANSIBLE@9-CVE-2016-9243 (GHSA-Q3CJ-2R34-2CWC)
Vulnerability from osv_homebrew – Published: 2026-08-13 16:35 – Updated: 2026-09-09 23:41 – Source websiteHKDF in cryptography before 1.5.3 returns an empty byte-string if used with a length less than algorithm.digest_size.
| URL | Type | |||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "cryptography",
"resource_purl": "pkg:pypi/cryptography@46.0.3",
"upstream_fixed_in": "1.5.3"
},
"package": {
"ecosystem": "Homebrew",
"name": "ansible@9",
"purl": "pkg:brew/ansible%409"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "9.13.0_4"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/cryptography@46.0.3",
"name": "cryptography",
"resource": "cryptography",
"strategy": "registry",
"subject_version": "46.0.3"
}
]
},
"details": "HKDF in cryptography before 1.5.3 returns an empty byte-string if used with a length less than algorithm.digest_size.",
"id": "BREW-ansible@9-CVE-2016-9243",
"modified": "2026-09-09T23:41:06Z",
"published": "2026-08-13T16:35:23Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2016-9243"
},
{
"type": "WEB",
"url": "https://github.com/pyca/cryptography/issues/3211"
},
{
"type": "WEB",
"url": "https://github.com/pyca/cryptography/commit/b924696b2e8731f39696584d12cceeb3aeb2d874"
},
{
"type": "WEB",
"url": "https://cryptography.io/en/latest/changelog"
},
{
"type": "WEB",
"url": "https://cryptography.io/en/latest/changelog/#v1-5-3"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-q3cj-2r34-2cwc"
},
{
"type": "PACKAGE",
"url": "https://github.com/pyca/cryptography"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/cryptography/PYSEC-2017-8.yaml"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5R2ZOBMPWDFFHUZ6QOZZY36A6H5CGJXL"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U23KDR2M2N7W2ZSREG63BVW7D4VC6CIZ"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WQ5G7KHKZC4SI23JE7277KZXM57GEQKT"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2016/11/09/2"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/94216"
},
{
"type": "WEB",
"url": "http://www.ubuntu.com/usn/USN-3138-1"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Improper input validation in cryptography",
"upstream": [
"GHSA-q3cj-2r34-2cwc",
"CVE-2016-9243",
"PYSEC-2017-8"
]
}
BREW-AZURE-CLI-CVE-2016-9243 (GHSA-Q3CJ-2R34-2CWC)
Vulnerability from osv_homebrew – Published: 2026-08-13 16:37 – Updated: 2026-09-09 23:43 – Source websiteHKDF in cryptography before 1.5.3 returns an empty byte-string if used with a length less than algorithm.digest_size.
| URL | Type | |||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "cryptography",
"resource_purl": "pkg:pypi/cryptography@48.0.1",
"upstream_fixed_in": "1.5.3"
},
"package": {
"ecosystem": "Homebrew",
"name": "azure-cli",
"purl": "pkg:brew/azure-cli"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.89.1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/cryptography@48.0.1",
"name": "cryptography",
"resource": "cryptography",
"strategy": "registry",
"subject_version": "48.0.1"
}
]
},
"details": "HKDF in cryptography before 1.5.3 returns an empty byte-string if used with a length less than algorithm.digest_size.",
"id": "BREW-azure-cli-CVE-2016-9243",
"modified": "2026-09-09T23:43:05Z",
"published": "2026-08-13T16:37:03Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2016-9243"
},
{
"type": "WEB",
"url": "https://github.com/pyca/cryptography/issues/3211"
},
{
"type": "WEB",
"url": "https://github.com/pyca/cryptography/commit/b924696b2e8731f39696584d12cceeb3aeb2d874"
},
{
"type": "WEB",
"url": "https://cryptography.io/en/latest/changelog"
},
{
"type": "WEB",
"url": "https://cryptography.io/en/latest/changelog/#v1-5-3"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-q3cj-2r34-2cwc"
},
{
"type": "PACKAGE",
"url": "https://github.com/pyca/cryptography"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/cryptography/PYSEC-2017-8.yaml"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5R2ZOBMPWDFFHUZ6QOZZY36A6H5CGJXL"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U23KDR2M2N7W2ZSREG63BVW7D4VC6CIZ"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WQ5G7KHKZC4SI23JE7277KZXM57GEQKT"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2016/11/09/2"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/94216"
},
{
"type": "WEB",
"url": "http://www.ubuntu.com/usn/USN-3138-1"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Improper input validation in cryptography",
"upstream": [
"GHSA-q3cj-2r34-2cwc",
"CVE-2016-9243",
"PYSEC-2017-8"
]
}
BREW-CRYPTOGRAPHY-CVE-20… (CVE-2016-9243)
Vulnerability from osv_homebrew – Published: 2026-08-13 16:41 – Updated: 2026-09-09 23:49 – Source websiteHKDF in cryptography before 1.5.2 returns an empty byte-string if used with a length less than algorithm.digest_size.
| URL | Type | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"upstream_fixed_in": "1.5.3"
},
"package": {
"ecosystem": "Homebrew",
"name": "cryptography",
"purl": "pkg:brew/cryptography"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "50.0.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "git",
"upstream_evidence": [
{
"ecosystem": "GIT",
"key": "https://github.com/pyca/cryptography",
"name": "https://github.com/pyca/cryptography",
"strategy": "git",
"subject_version": "50.0.1"
},
{
"ecosystem": "PyPI",
"key": "pkg:pypi/cryptography@50.0.1",
"name": "cryptography",
"strategy": "registry",
"subject_version": "50.0.1"
}
]
},
"details": "HKDF in cryptography before 1.5.2 returns an empty byte-string if used with a length less than algorithm.digest_size.",
"id": "BREW-cryptography-CVE-2016-9243",
"modified": "2026-09-09T23:49:07Z",
"published": "2026-08-13T16:41:16Z",
"references": [
{
"type": "ADVISORY",
"url": "http://www.securityfocus.com/bid/94216"
},
{
"type": "ADVISORY",
"url": "http://www.ubuntu.com/usn/USN-3138-1"
},
{
"type": "ADVISORY",
"url": "https://cryptography.io/en/latest/changelog"
},
{
"type": "ADVISORY",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5R2ZOBMPWDFFHUZ6QOZZY36A6H5CGJXL/"
},
{
"type": "ADVISORY",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U23KDR2M2N7W2ZSREG63BVW7D4VC6CIZ/"
},
{
"type": "ADVISORY",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WQ5G7KHKZC4SI23JE7277KZXM57GEQKT/"
},
{
"type": "REPORT",
"url": "https://github.com/pyca/cryptography/issues/3211"
},
{
"type": "FIX",
"url": "http://www.openwall.com/lists/oss-security/2016/11/09/2"
},
{
"type": "FIX",
"url": "https://github.com/pyca/cryptography/commit/b924696b2e8731f39696584d12cceeb3aeb2d874"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
}
],
"upstream": [
"CVE-2016-9243",
"GHSA-q3cj-2r34-2cwc",
"PYSEC-2017-8"
]
}
CVE-2016-9243 (GCVE-0-2016-9243)
Vulnerability from cvelistv5 – Published: 2017-03-27 17:00 – Updated: 2024-08-06 02:42- n/a
| URL | Tags |
|---|---|
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| http://www.ubuntu.com/usn/USN-3138-1 | vendor-advisoryx_refsource_UBUNTU |
| https://github.com/pyca/cryptography/commit/b9246… | x_refsource_CONFIRM |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| http://www.securityfocus.com/bid/94216 | vdb-entryx_refsource_BID |
| http://www.openwall.com/lists/oss-security/2016/11/09/2 | mailing-listx_refsource_MLIST |
| https://cryptography.io/en/latest/changelog | x_refsource_CONFIRM |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://github.com/pyca/cryptography/issues/3211 | x_refsource_CONFIRM |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-06T02:42:11.253Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "FEDORA-2016-2d90e27e50",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U23KDR2M2N7W2ZSREG63BVW7D4VC6CIZ/"
},
{
"name": "USN-3138-1",
"tags": [
"vendor-advisory",
"x_refsource_UBUNTU",
"x_transferred"
],
"url": "http://www.ubuntu.com/usn/USN-3138-1"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://github.com/pyca/cryptography/commit/b924696b2e8731f39696584d12cceeb3aeb2d874"
},
{
"name": "FEDORA-2016-d3a2b640ce",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WQ5G7KHKZC4SI23JE7277KZXM57GEQKT/"
},
{
"name": "94216",
"tags": [
"vdb-entry",
"x_refsource_BID",
"x_transferred"
],
"url": "http://www.securityfocus.com/bid/94216"
},
{
"name": "[oss-security] 20161109 Re: CVE Request: Cryptography 1.5.3: HKDF might return an empty byte-string",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2016/11/09/2"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://cryptography.io/en/latest/changelog"
},
{
"name": "FEDORA-2016-e77c8c1f3b",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5R2ZOBMPWDFFHUZ6QOZZY36A6H5CGJXL/"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://github.com/pyca/cryptography/issues/3211"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"datePublic": "2016-11-01T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "HKDF in cryptography before 1.5.2 returns an empty byte-string if used with a length less than algorithm.digest_size."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2017-10-25T17:57:01.000Z",
"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"shortName": "redhat"
},
"references": [
{
"name": "FEDORA-2016-2d90e27e50",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U23KDR2M2N7W2ZSREG63BVW7D4VC6CIZ/"
},
{
"name": "USN-3138-1",
"tags": [
"vendor-advisory",
"x_refsource_UBUNTU"
],
"url": "http://www.ubuntu.com/usn/USN-3138-1"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/pyca/cryptography/commit/b924696b2e8731f39696584d12cceeb3aeb2d874"
},
{
"name": "FEDORA-2016-d3a2b640ce",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WQ5G7KHKZC4SI23JE7277KZXM57GEQKT/"
},
{
"name": "94216",
"tags": [
"vdb-entry",
"x_refsource_BID"
],
"url": "http://www.securityfocus.com/bid/94216"
},
{
"name": "[oss-security] 20161109 Re: CVE Request: Cryptography 1.5.3: HKDF might return an empty byte-string",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://www.openwall.com/lists/oss-security/2016/11/09/2"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://cryptography.io/en/latest/changelog"
},
{
"name": "FEDORA-2016-e77c8c1f3b",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5R2ZOBMPWDFFHUZ6QOZZY36A6H5CGJXL/"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/pyca/cryptography/issues/3211"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "secalert@redhat.com",
"ID": "CVE-2016-9243",
"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": "HKDF in cryptography before 1.5.2 returns an empty byte-string if used with a length less than algorithm.digest_size."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "FEDORA-2016-2d90e27e50",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U23KDR2M2N7W2ZSREG63BVW7D4VC6CIZ/"
},
{
"name": "USN-3138-1",
"refsource": "UBUNTU",
"url": "http://www.ubuntu.com/usn/USN-3138-1"
},
{
"name": "https://github.com/pyca/cryptography/commit/b924696b2e8731f39696584d12cceeb3aeb2d874",
"refsource": "CONFIRM",
"url": "https://github.com/pyca/cryptography/commit/b924696b2e8731f39696584d12cceeb3aeb2d874"
},
{
"name": "FEDORA-2016-d3a2b640ce",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WQ5G7KHKZC4SI23JE7277KZXM57GEQKT/"
},
{
"name": "94216",
"refsource": "BID",
"url": "http://www.securityfocus.com/bid/94216"
},
{
"name": "[oss-security] 20161109 Re: CVE Request: Cryptography 1.5.3: HKDF might return an empty byte-string",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2016/11/09/2"
},
{
"name": "https://cryptography.io/en/latest/changelog",
"refsource": "CONFIRM",
"url": "https://cryptography.io/en/latest/changelog"
},
{
"name": "FEDORA-2016-e77c8c1f3b",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5R2ZOBMPWDFFHUZ6QOZZY36A6H5CGJXL/"
},
{
"name": "https://github.com/pyca/cryptography/issues/3211",
"refsource": "CONFIRM",
"url": "https://github.com/pyca/cryptography/issues/3211"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2016-9243",
"datePublished": "2017-03-27T17:00:00.000Z",
"dateReserved": "2016-11-09T00:00:00.000Z",
"dateUpdated": "2024-08-06T02:42:11.253Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
GHSA-Q3CJ-2R34-2CWC
Vulnerability from github – Published: 2022-05-17 02:51 – Updated: 2024-09-13 20:08HKDF in cryptography before 1.5.3 returns an empty byte-string if used with a length less than algorithm.digest_size.
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "cryptography"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.3"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2016-9243"
],
"database_specific": {
"cwe_ids": [
"CWE-20"
],
"github_reviewed": true,
"github_reviewed_at": "2022-06-17T21:29:04Z",
"nvd_published_at": "2017-03-27T17:59:00Z",
"severity": "HIGH"
},
"details": "HKDF in cryptography before 1.5.3 returns an empty byte-string if used with a length less than algorithm.digest_size.",
"id": "GHSA-q3cj-2r34-2cwc",
"modified": "2024-09-13T20:08:25Z",
"published": "2022-05-17T02:51:56Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2016-9243"
},
{
"type": "WEB",
"url": "https://github.com/pyca/cryptography/issues/3211"
},
{
"type": "WEB",
"url": "https://github.com/pyca/cryptography/commit/b924696b2e8731f39696584d12cceeb3aeb2d874"
},
{
"type": "WEB",
"url": "https://cryptography.io/en/latest/changelog"
},
{
"type": "WEB",
"url": "https://cryptography.io/en/latest/changelog/#v1-5-3"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-q3cj-2r34-2cwc"
},
{
"type": "PACKAGE",
"url": "https://github.com/pyca/cryptography"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/cryptography/PYSEC-2017-8.yaml"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5R2ZOBMPWDFFHUZ6QOZZY36A6H5CGJXL"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U23KDR2M2N7W2ZSREG63BVW7D4VC6CIZ"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WQ5G7KHKZC4SI23JE7277KZXM57GEQKT"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5R2ZOBMPWDFFHUZ6QOZZY36A6H5CGJXL"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U23KDR2M2N7W2ZSREG63BVW7D4VC6CIZ"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WQ5G7KHKZC4SI23JE7277KZXM57GEQKT"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2016/11/09/2"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/94216"
},
{
"type": "WEB",
"url": "http://www.ubuntu.com/usn/USN-3138-1"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Improper input validation in cryptography"
}
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.