critique
CVE-2020-36242
python-cryptography: Large inputs for symmetric encryption can trigger integer overflow leading to buffer overflow
Dans la Trivy database depuis au moins le 24 oct. 2026, 07:11 UTCLa date d'entrée avant ce build n'est pas enregistrée.
Sévérité par source
NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
GHSA8.8CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
Red Hat8.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Le label propre à Trivy est CRITICAL. Critique selon NVD, CBL-Mariner, Photon OS. Plus basse selon GHSA (élevée), Red Hat (moyenne), Oracle (moyenne), Rocky Linux (moyenne).
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.
Paquets affectés et versions corrigées
| Source | Paquet | Corrigé en |
|---|---|---|
| CBL-Mariner 1.0 | python-cryptography | 0:3.3.2-1.cm1 |
| Photon OS 1.0 | python-cryptography | 1.9-1.ph1 |
| Photon OS 2.0 | python-cryptography | 2.3.1-2.ph2 |
| Photon OS 3.0 | python-cryptography | 2.8-2.ph3 |
| Photon OS 4.0 | python3-cryptography | 3.3.2-1.ph4 |
| alpine 3.13 | py3-cryptography | 3.3.2-r0 |
| alpine 3.16 | py3-cryptography | 3.2.2-r0 |
| alpine 3.17 | py3-cryptography | 3.2.2-r0 |
| alpine 3.18 | py3-cryptography | 3.2.2-r0 |
| alpine 3.19 | py3-cryptography | 3.2.2-r0 |
| alpine 3.20 | py3-cryptography | 3.2.2-r0 |
| alpine 3.21 | py3-cryptography | 3.2.2-r0 |
Afficher les 32 entrées de 27 sources
| Source | Paquet | Corrigé en |
|---|---|---|
| CBL-Mariner 1.0 | python-cryptography | 0:3.3.2-1.cm1 |
| Photon OS 1.0 | python-cryptography | 1.9-1.ph1 |
| Photon OS 2.0 | python-cryptography | 2.3.1-2.ph2 |
| Photon OS 3.0 | python-cryptography | 2.8-2.ph3 |
| Photon OS 4.0 | python3-cryptography | 3.3.2-1.ph4 |
| alpine 3.13 | py3-cryptography | 3.3.2-r0 |
| alpine 3.16 | py3-cryptography | 3.2.2-r0 |
| alpine 3.17 | py3-cryptography | 3.2.2-r0 |
| alpine 3.18 | py3-cryptography | 3.2.2-r0 |
| alpine 3.19 | py3-cryptography | 3.2.2-r0 |
| alpine 3.20 | py3-cryptography | 3.2.2-r0 |
| alpine 3.21 | py3-cryptography | 3.2.2-r0 |
| alpine 3.22 | py3-cryptography | 3.2.2-r0 |
| alpine 3.23 | py3-cryptography | 3.2.2-r0 |
| alpine 3.24 | py3-cryptography | 3.2.2-r0 |
| alpine edge | py3-cryptography | 3.2.2-r0 |
| debian 10 | python-cryptography | pas de correctif indiqué |
| debian 11 | python-cryptography | 3.3.2-1 |
| debian 12 | python-cryptography | 3.3.2-1 |
| debian 13 | python-cryptography | 3.3.2-1 |
| debian 14 | python-cryptography | 3.3.2-1 |
| echo | python-cryptography | 3.3.2-1 |
| Oracle Linux 8 | python3-cryptography | 3.2.1-4.el8 |
| pip::GitHub Security Advisory pip | cryptography | 3.3.2 |
| Red Hat | python-cryptography | pas de correctif indiqué |
| Red Hat | python2-cryptography | pas de correctif indiqué |
| Red Hat | python38:3.8::python-cryptography | pas de correctif indiqué |
| Red Hat | python38:3.8::python3-cryptography | pas de correctif indiqué |
| Red Hat | python39:3.9::python-cryptography | pas de correctif indiqué |
| Red Hat | python39:3.9::python3-cryptography | pas de correctif indiqué |
| rocky 8 | python3-cryptography | 3.2.1-4.el8 |
| root.io debian 12 | rootio-python-cryptography | 3.3.2-1 |
Références
- https://access.redhat.com/errata/RHSA-2021:1608
- https://access.redhat.com/security/cve/CVE-2020-36242
- https://bugzilla.redhat.com/show_bug.cgi?id=1778939
- https://bugzilla.redhat.com/show_bug.cgi?id=1873581
- https://bugzilla.redhat.com/show_bug.cgi?id=1889988
- https://bugzilla.redhat.com/show_bug.cgi?id=1891947
- https://bugzilla.redhat.com/show_bug.cgi?id=1907429
- https://bugzilla.redhat.com/show_bug.cgi?id=1926226
Les 29 références
- https://creativecommons.org/licenses/by/4.0/
- https://cryptography.io/en/latest/changelog.html#v3-3-2
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25659
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36242
- https://errata.rockylinux.org/RLSA-2021:1608
- https://github.com/advisories/GHSA-rhm9-p9w5-fwm7
- https://github.com/pyca/cryptography
- https://github.com/pyca/cryptography/blob/master/CHANGELOG.rst
- https://github.com/pyca/cryptography/commit/82b6ce28389f0a317bc55ba2091a74b346db7cae
- https://github.com/pyca/cryptography/compare/3.3.1...3.3.2
- https://github.com/pyca/cryptography/issues/5615
- https://github.com/pyca/cryptography/security/advisories/GHSA-rhm9-p9w5-fwm7
- https://github.com/pypa/advisory-database/tree/main/vulns/cryptography/PYSEC-2021-63.yaml
- https://linux.oracle.com/cve/CVE-2020-36242.html
- https://linux.oracle.com/errata/ELSA-2021-1608.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L7RGQLK4J5ZQFRLKCHVVG6BKZTUQMG7E
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L7RGQLK4J5ZQFRLKCHVVG6BKZTUQMG7E/
- https://nvd.nist.gov/vuln/detail/CVE-2020-36242
- https://www.cve.org/CVERecord?id=CVE-2020-36242
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujul2022.html