All the vulnerabilites related to cryptography.io - cryptography
cve-2023-50782
Vulnerability from cvelistv5
Published
2024-02-05 20:45
Modified
2024-11-25 10:24
Severity ?
EPSS score ?
Summary
A flaw was found in the python-cryptography package. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.
References
| ▼ | URL | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2023-50782 | vdb-entry, x_refsource_REDHAT | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2254432 | issue-tracking, x_refsource_REDHAT |
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ▼ |
Version: 3.2 ≤ |
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|
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cve-2023-49083
Vulnerability from cvelistv5
Published
2023-11-29 18:50
Modified
2024-08-02 21:46
Severity ?
EPSS score ?
Summary
cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Calling `load_pem_pkcs7_certificates` or `load_der_pkcs7_certificates` could lead to a NULL-pointer dereference and segfault. Exploitation of this vulnerability poses a serious risk of Denial of Service (DoS) for any application attempting to deserialize a PKCS7 blob/certificate. The consequences extend to potential disruptions in system availability and stability. This vulnerability has been patched in version 41.0.6.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | pyca | cryptography |
Version: >= 3.1, < 41.0.6 |
|
|
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cve-2023-38325
Vulnerability from cvelistv5
Published
2023-07-14 00:00
Modified
2024-10-30 16:00
Severity ?
EPSS score ?
Summary
The cryptography package before 41.0.2 for Python mishandles SSH certificates that have critical options.
References
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cve-2023-23931
Vulnerability from cvelistv5
Published
2023-02-07 20:54
Modified
2024-08-02 10:42
Severity ?
EPSS score ?
Summary
cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. In affected versions `Cipher.update_into` would accept Python objects which implement the buffer protocol, but provide only immutable buffers. This would allow immutable objects (such as `bytes`) to be mutated, thus violating fundamental rules of Python and resulting in corrupted output. This now correctly raises an exception. This issue has been present since `update_into` was originally introduced in cryptography 1.8.
References
| ▼ | URL | Tags |
|---|---|---|
| https://github.com/pyca/cryptography/security/advisories/GHSA-w7pp-m8wf-vj6r | x_refsource_CONFIRM | |
| https://github.com/pyca/cryptography/pull/8230/commits/94a50a9731f35405f0357fa5f3b177d46a726ab3 | x_refsource_MISC |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | pyca | cryptography |
Version: >=1.8, < 39.0.1 |
|
|
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cve-2020-25659
Vulnerability from cvelistv5
Published
2021-01-11 15:37
Modified
2024-08-04 15:40
Severity ?
EPSS score ?
Summary
python-cryptography 3.2 is vulnerable to Bleichenbacher timing attacks in the RSA decryption API, via timed processing of valid PKCS#1 v1.5 ciphertext.
References
| ▼ | URL | Tags |
|---|---|---|
| https://github.com/pyca/cryptography/pull/5507/commits/ce1bef6f1ee06ac497ca0c837fbd1c7ef6c2472b | x_refsource_MISC | |
| https://www.oracle.com/security-alerts/cpuapr2022.html | x_refsource_MISC | |
| https://www.oracle.com/security-alerts/cpujul2022.html | x_refsource_MISC |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | n/a | python-cryptography |
Version: python-cryptography 3.2 |
|
|
|||
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cve-2016-9243
Vulnerability from cvelistv5
Published
2017-03-27 17:00
Modified
2024-08-06 02:42
Severity ?
EPSS score ?
Summary
HKDF in cryptography before 1.5.2 returns an empty byte-string if used with a length less than algorithm.digest_size.
References
| ▼ | URL | Tags |
|---|---|---|
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U23KDR2M2N7W2ZSREG63BVW7D4VC6CIZ/ | vendor-advisory, x_refsource_FEDORA | |
| http://www.ubuntu.com/usn/USN-3138-1 | vendor-advisory, x_refsource_UBUNTU | |
| https://github.com/pyca/cryptography/commit/b924696b2e8731f39696584d12cceeb3aeb2d874 | x_refsource_CONFIRM | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WQ5G7KHKZC4SI23JE7277KZXM57GEQKT/ | vendor-advisory, x_refsource_FEDORA | |
| http://www.securityfocus.com/bid/94216 | vdb-entry, x_refsource_BID | |
| http://www.openwall.com/lists/oss-security/2016/11/09/2 | mailing-list, x_refsource_MLIST | |
| https://cryptography.io/en/latest/changelog | x_refsource_CONFIRM | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5R2ZOBMPWDFFHUZ6QOZZY36A6H5CGJXL/ | vendor-advisory, x_refsource_FEDORA | |
| https://github.com/pyca/cryptography/issues/3211 | x_refsource_CONFIRM |
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cve-2020-36242
Vulnerability from cvelistv5
Published
2021-02-07 19:50
Modified
2024-08-04 17:23
Severity ?
EPSS score ?
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
| ▼ | URL | Tags |
|---|---|---|
| https://github.com/pyca/cryptography/issues/5615 | x_refsource_MISC | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L7RGQLK4J5ZQFRLKCHVVG6BKZTUQMG7E/ | vendor-advisory, x_refsource_FEDORA | |
| https://www.oracle.com/security-alerts/cpuapr2022.html | x_refsource_MISC | |
| https://github.com/pyca/cryptography/compare/3.3.1...3.3.2 | x_refsource_CONFIRM | |
| https://github.com/pyca/cryptography/blob/master/CHANGELOG.rst | x_refsource_CONFIRM | |
| https://www.oracle.com/security-alerts/cpujul2022.html | x_refsource_MISC |
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Vulnerability from fkie_nvd
Published
2023-07-14 20:15
Modified
2024-11-21 08:13
Severity ?
Summary
The cryptography package before 41.0.2 for Python mishandles SSH certificates that have critical options.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| cryptography.io | cryptography | * |
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Vulnerability from fkie_nvd
Published
2021-02-07 20:15
Modified
2024-11-21 05:29
Severity ?
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
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| cryptography.io | cryptography | * | |
| fedoraproject | fedora | 33 | |
| oracle | communications_cloud_native_core_network_function_cloud_native_environment | 1.10.0 |
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Vulnerability from fkie_nvd
Published
2021-01-11 16:15
Modified
2024-11-21 05:18
Severity ?
Summary
python-cryptography 3.2 is vulnerable to Bleichenbacher timing attacks in the RSA decryption API, via timed processing of valid PKCS#1 v1.5 ciphertext.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| secalert@redhat.com | https://github.com/pyca/cryptography/pull/5507/commits/ce1bef6f1ee06ac497ca0c837fbd1c7ef6c2472b | Patch, Third Party Advisory | |
| secalert@redhat.com | https://www.oracle.com/security-alerts/cpuapr2022.html | Patch, Third Party Advisory | |
| secalert@redhat.com | https://www.oracle.com/security-alerts/cpujul2022.html | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/pyca/cryptography/pull/5507/commits/ce1bef6f1ee06ac497ca0c837fbd1c7ef6c2472b | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.oracle.com/security-alerts/cpuapr2022.html | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.oracle.com/security-alerts/cpujul2022.html | Patch, Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| cryptography.io | cryptography | 3.2 | |
| oracle | communications_cloud_native_core_network_function_cloud_native_environment | 1.10.0 |
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Vulnerability from fkie_nvd
Published
2023-11-29 19:15
Modified
2024-11-21 08:32
Severity ?
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Calling `load_pem_pkcs7_certificates` or `load_der_pkcs7_certificates` could lead to a NULL-pointer dereference and segfault. Exploitation of this vulnerability poses a serious risk of Denial of Service (DoS) for any application attempting to deserialize a PKCS7 blob/certificate. The consequences extend to potential disruptions in system availability and stability. This vulnerability has been patched in version 41.0.6.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| cryptography.io | cryptography | * |
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Vulnerability from fkie_nvd
Published
2024-02-05 21:15
Modified
2024-11-21 08:37
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
A flaw was found in the python-cryptography package. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| secalert@redhat.com | https://access.redhat.com/security/cve/CVE-2023-50782 | Vendor Advisory | |
| secalert@redhat.com | https://bugzilla.redhat.com/show_bug.cgi?id=2254432 | Issue Tracking, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://access.redhat.com/security/cve/CVE-2023-50782 | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://bugzilla.redhat.com/show_bug.cgi?id=2254432 | Issue Tracking, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.couchbase.com/alerts/ |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| redhat | ansible_automation_platform | 2.0 | |
| redhat | enterprise_linux | 8.0 | |
| redhat | enterprise_linux | 9.0 | |
| redhat | update_infrastructure | 4 | |
| cryptography.io | cryptography | * | |
| couchbase | couchbase_server | 7.6.0 | |
| couchbase | couchbase_server | 7.6.1 |
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Vulnerability from fkie_nvd
Published
2023-02-07 21:15
Modified
2024-11-21 07:47
Severity ?
4.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Summary
cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. In affected versions `Cipher.update_into` would accept Python objects which implement the buffer protocol, but provide only immutable buffers. This would allow immutable objects (such as `bytes`) to be mutated, thus violating fundamental rules of Python and resulting in corrupted output. This now correctly raises an exception. This issue has been present since `update_into` was originally introduced in cryptography 1.8.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| cryptography.io | cryptography | * |
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Vulnerability from fkie_nvd
Published
2017-03-27 17:59
Modified
2024-11-21 03:00
Severity ?
Summary
HKDF in cryptography before 1.5.2 returns an empty byte-string if used with a length less than algorithm.digest_size.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| cryptography.io | cryptography | * | |
| fedoraproject | fedora | 23 | |
| fedoraproject | fedora | 24 | |
| fedoraproject | fedora | 25 | |
| canonical | ubuntu_linux | 16.04 | |
| canonical | ubuntu_linux | 16.10 |
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"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U23KDR2M2N7W2ZSREG63BVW7D4VC6CIZ/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WQ5G7KHKZC4SI23JE7277KZXM57GEQKT/"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}