CVE-2020-36242
Summary
| CVE | CVE-2020-36242 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-02-07 20:15:00 UTC |
| Updated | 2023-11-07 03:22:00 UTC |
| 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. |
Risk And Classification
Problem Types: CWE-787 | CWE-190
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Cryptography Project | Cryptography | All | All | All | All |
| Application | Cryptography Project | Cryptography | All | All | All | All |
| Operating System | Fedoraproject | Fedora | 33 | All | All | All |
| Operating System | Fedoraproject | Fedora | 33 | All | All | All |
| Application | Oracle | Communications Cloud Native Core Network Function Cloud Native Environment | 1.10.0 | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| [SECURITY] Fedora 33 Update: python-cryptography-3.2.1-2.fc33 - package-announce - Fedora Mailing-Lists | FEDORA | lists.fedoraproject.org | Mailing List, Third Party Advisory |
| Oracle Critical Patch Update Advisory - April 2022 | MISC | www.oracle.com | |
| Comparing 3.3.1...3.3.2 · pyca/cryptography · GitHub | CONFIRM | github.com | Patch, Third Party Advisory |
| [SECURITY] Fedora 33 Update: python-cryptography-3.2.1-2.fc33 - package-announce - Fedora Mailing-Lists | lists.fedoraproject.org | ||
| Fernet fails to encrypt/decrypt large data · Issue #5615 · pyca/cryptography · GitHub | MISC | github.com | Exploit, Patch, Third Party Advisory |
| cryptography/CHANGELOG.rst at main · pyca/cryptography · GitHub | CONFIRM | github.com | Release Notes, Third Party Advisory |
| Oracle Critical Patch Update Advisory - July 2022 | N/A | www.oracle.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 159194 Oracle Enterprise Linux Security Update for python-cryptography (ELSA-2021-1608)
- 239330 Red Hat Update for python-cryptography (RHSA-2021:1608)
- 239580 Red Hat Update for rh-python38 (RHSA-2021:3254)
- 296067 Oracle Solaris 11.4 Support Repository Update (SRU) 33.94.0 Missing (CPUAPR2021)
- 377334 Alibaba Cloud Linux Security Update for python-cryptography (ALINUX3-SA-2022:0083)
- 501475 Alpine Linux Security Update for py3-cryptography
- 502338 Alpine Linux Security Update for py3-cryptography
- 670494 EulerOS Security Update for python-cryptography (EulerOS-SA-2021-2252)
- 670520 EulerOS Security Update for python-cryptography (EulerOS-SA-2021-2278)
- 750342 OpenSUSE Security Update for python-cryptography (openSUSE-SU-2021:0349-1)
- 753738 SUSE Enterprise Linux Security Update for python-cryptography, python-cryptography-vectors (SUSE-SU-2023:0604-1)
- 754157 SUSE Enterprise Linux Security Update for grpc, protobuf, python-Deprecated, python-PyGithub, python-aiocontextvars, python-avro, python-bcrypt, python-cryptography, python-cryptography-vectors, python-google-api-core, pyt (SUSE-SU-2023:2783-1)
- 754878 SUSE Enterprise Linux Security Update for grpc, protobuf, python-DEPRECATED, python-PyGithub, python-aiocontextvars, python-avro, python-bcrypt, python-cryptography, python-cryptography-vectors, python-google-api-core, pyt (SUSE-SU-2023:2783-2)
- 900039 CBL-Mariner Linux Security Update for python-cryptography 2.3.1
- 903166 Common Base Linux Mariner (CBL-Mariner) Security Update for python-cryptography (3875)
- 940282 AlmaLinux Security Update for python-cryptography (ALSA-2021:1608)
- 960766 Rocky Linux Security Update for python-cryptography (RLSA-2021:1608)
- 981929 Python (pip) Security Update for cryptography (GHSA-rhm9-p9w5-fwm7)