kritik
CVE-2019-20477
PyYAML: command execution through python/object/apply constructor in FullLoader
En geç 24 Eki 2026, 07:11 UTC tarihinden beri Trivy database'indeO derlemeden önce ne zaman girdiği kayıtlı değil.
Kaynağa göre önem derecesi
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GHSA9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Red Hat9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Trivy'nin kendi etiketi CRITICAL. Kritik diyenler: NVD, GHSA, Photon OS. Daha düşük diyenler: Red Hat (orta), AlmaLinux (orta), Oracle (orta), Rocky Linux (orta).
Açıklama
PyYAML 5.1 through 5.1.2 has insufficient restrictions on the load and load_all functions because of a class deserialization issue, e.g., Popen is a class in the subprocess module. NOTE: this issue exists because of an incomplete fix for CVE-2017-18342.
Etkilenen paketler ve düzeltilmiş sürümler
| Kaynak | Paket | Düzeltildiği sürüm |
|---|---|---|
| Photon OS 1.0 | PyYAML | 3.12-4.ph1 |
| Photon OS 2.0 | PyYAML | 3.12-5.ph2 |
| Photon OS 3.0 | PyYAML | 3.13-4.ph3 |
| pip::GitHub Security Advisory pip | pyyaml | 5.2 |
| alma 8 | python38:3.8::python38-Cython, python38:3.8::python38-asn1crypto, python38:3.8::python38-cffi ve 13 tane daha | 0.29.14-4.module_el8.6.0+2778+cd494b30 ve 13 tane daha |
| debian 11 | pyyaml | 5.2-1 |
| debian 12 | pyyaml | 5.2-1 |
| debian 13 | pyyaml | 5.2-1 |
| debian 14 | pyyaml | 5.2-1 |
| echo | pyyaml | 5.2-1 |
| Oracle Linux 8 | python38, python38-Cython, python38-PyMySQL ve 39 tane daha | 3.8.3-3.module+el8.3.0+7824+e0098946 ve 27 tane daha |
| Red Hat | PyYAML | düzeltme belirtilmemiş |
14 kaynaktaki 100 kaydın hepsini göster
| Kaynak | Paket | Düzeltildiği sürüm |
|---|---|---|
| Photon OS 1.0 | PyYAML | 3.12-4.ph1 |
| Photon OS 2.0 | PyYAML | 3.12-5.ph2 |
| Photon OS 3.0 | PyYAML | 3.13-4.ph3 |
| pip::GitHub Security Advisory pip | pyyaml | 5.2 |
| alma 8 | python38:3.8::python38-Cython | 0.29.14-4.module_el8.6.0+2778+cd494b30 |
| alma 8 | python38:3.8::python38-asn1crypto | 1.2.0-3.module_el8.6.0+2778+cd494b30 |
| alma 8 | python38:3.8::python38-cffi | 1.13.2-3.module_el8.6.0+2778+cd494b30 |
| alma 8 | python38:3.8::python38-chardet | 3.0.4-19.module_el8.6.0+2778+cd494b30 |
| alma 8 | python38:3.8::python38-cryptography | 2.8-3.module_el8.6.0+2778+cd494b30 |
| alma 8 | python38:3.8::python38-idna | 2.8-6.module_el8.6.0+2778+cd494b30 |
| alma 8 | python38:3.8::python38-markupsafe | 1.1.1-6.module_el8.6.0+2778+cd494b30 |
| alma 8 | python38:3.8::python38-mod_wsgi | 4.6.8-3.module_el8.6.0+2778+cd494b30 |
| alma 8 | python38:3.8::python38-psycopg2 | 2.8.4-4.module_el8.6.0+2778+cd494b30 |
| alma 8 | python38:3.8::python38-psycopg2-doc | 2.8.4-4.module_el8.6.0+2778+cd494b30 |
| alma 8 | python38:3.8::python38-psycopg2-tests | 2.8.4-4.module_el8.6.0+2778+cd494b30 |
| alma 8 | python38:3.8::python38-pycparser | 2.19-3.module_el8.6.0+2778+cd494b30 |
| alma 8 | python38:3.8::python38-pysocks | 1.7.1-4.module_el8.6.0+2778+cd494b30 |
| alma 8 | python38:3.8::python38-pytz | 2019.3-3.module_el8.6.0+2778+cd494b30 |
| alma 8 | python38:3.8::python38-requests | 2.22.0-9.module_el8.6.0+2778+cd494b30 |
| alma 8 | python38:3.8::python38-scipy | 1.3.1-4.module_el8.6.0+2778+cd494b30 |
| debian 11 | pyyaml | 5.2-1 |
| debian 12 | pyyaml | 5.2-1 |
| debian 13 | pyyaml | 5.2-1 |
| debian 14 | pyyaml | 5.2-1 |
| echo | pyyaml | 5.2-1 |
| Oracle Linux 8 | python38 | 3.8.3-3.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-Cython | 0.29.14-4.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-PyMySQL | 0.9.3-3.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-asn1crypto | 1.2.0-3.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-babel | 2.7.0-10.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-cffi | 1.13.2-3.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-chardet | 3.0.4-19.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-cryptography | 2.8-3.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-debug | 3.8.3-3.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-devel | 3.8.3-3.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-idle | 3.8.3-3.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-idna | 2.8-6.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-jinja2 | 2.10.3-4.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-libs | 3.8.3-3.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-lxml | 4.4.1-4.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-markupsafe | 1.1.1-6.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-mod_wsgi | 4.6.8-3.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-numpy | 1.17.3-5.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-numpy-doc | 1.17.3-5.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-numpy-f2py | 1.17.3-5.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-pip | 19.3.1-1.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-pip-wheel | 19.3.1-1.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-ply | 3.11-8.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-psutil | 5.6.4-3.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-psycopg2 | 2.8.4-4.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-psycopg2-doc | 2.8.4-4.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-psycopg2-tests | 2.8.4-4.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-pycparser | 2.19-3.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-pysocks | 1.7.1-4.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-pytz | 2019.3-3.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-pyyaml | 5.3.1-1.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-requests | 2.22.0-9.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-rpm-macros | 3.8.3-3.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-scipy | 1.3.1-4.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-setuptools | 41.6.0-4.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-setuptools-wheel | 41.6.0-4.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-six | 1.12.0-9.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-test | 3.8.3-3.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-tkinter | 3.8.3-3.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-urllib3 | 1.25.7-4.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-wheel | 0.33.6-5.module+el8.3.0+7824+e0098946 |
| Oracle Linux 8 | python38-wheel-wheel | 0.33.6-5.module+el8.3.0+7824+e0098946 |
| Red Hat | PyYAML | düzeltme belirtilmemiş |
| rocky 8 | python38:3.8::python38-Cython | 0.29.14-4.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-asn1crypto | 1.2.0-3.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-babel | 2.7.0-10.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-cffi | 1.13.2-3.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-chardet | 3.0.4-19.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-cryptography | 2.8-3.module+el8.5.0+672+ab6eb015 |
| rocky 8 | python38:3.8::python38-idna | 2.8-6.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-jinja2 | 2.10.3-4.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-markupsafe | 1.1.1-6.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-mod_wsgi | 4.6.8-3.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-numpy | 1.17.3-5.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-numpy-doc | 1.17.3-5.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-numpy-f2py | 1.17.3-5.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-pip | 19.3.1-1.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-pip-wheel | 19.3.1-1.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-psutil | 5.6.4-3.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-psycopg2 | 2.8.4-4.module+el8.6.0+794+eba84017 |
| rocky 8 | python38:3.8::python38-psycopg2-doc | 2.8.4-4.module+el8.6.0+794+eba84017 |
| rocky 8 | python38:3.8::python38-psycopg2-tests | 2.8.4-4.module+el8.6.0+794+eba84017 |
| rocky 8 | python38:3.8::python38-pycparser | 2.19-3.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-pysocks | 1.7.1-4.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-pytz | 2019.3-3.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-pyyaml | 5.3.1-1.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-requests | 2.22.0-9.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-scipy | 1.3.1-4.module+el8.5.0+672+ab6eb015 |
| rocky 8 | python38:3.8::python38-setuptools | 41.6.0-4.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-setuptools-wheel | 41.6.0-4.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-urllib3 | 1.25.7-4.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-wheel | 0.33.6-5.module+el8.4.0+570+c2eaf144 |
| rocky 8 | python38:3.8::python38-wheel-wheel | 0.33.6-5.module+el8.4.0+570+c2eaf144 |
| seal pip::Seal Security Database | pyyaml | 5.1+sp999 |
| seal pip::Seal Security Database | seal-pyyaml | 5.1+sp999 |
Referanslar
- https://access.redhat.com/errata/RHSA-2020:4641
- https://access.redhat.com/security/cve/CVE-2019-20477
- https://bugzilla.redhat.com/1806005
- https://bugzilla.redhat.com/1807367
- https://bugzilla.redhat.com/1809065
- https://bugzilla.redhat.com/1815643
- https://bugzilla.redhat.com/1847416
- https://bugzilla.redhat.com/1854926
36 referansın hepsi
- https://bugzilla.redhat.com/1856481
- https://bugzilla.redhat.com/show_bug.cgi?id=1806005
- https://bugzilla.redhat.com/show_bug.cgi?id=1807367
- https://bugzilla.redhat.com/show_bug.cgi?id=1809065
- https://bugzilla.redhat.com/show_bug.cgi?id=1815643
- https://bugzilla.redhat.com/show_bug.cgi?id=1847416
- https://bugzilla.redhat.com/show_bug.cgi?id=1854926
- https://bugzilla.redhat.com/show_bug.cgi?id=1856481
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20477
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20907
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14422
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1747
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8492
- https://errata.almalinux.org/8/ALSA-2020-4641.html
- https://errata.rockylinux.org/RLSA-2020:4641
- https://github.com/advisories/GHSA-3pqx-4fqf-j49f
- https://github.com/pypa/advisory-database/tree/main/vulns/pyyaml/PYSEC-2020-176.yaml
- https://github.com/yaml/pyyaml
- https://github.com/yaml/pyyaml/blob/master/CHANGES
- https://linux.oracle.com/cve/CVE-2019-20477.html
- https://linux.oracle.com/errata/ELSA-2020-4641.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/33VBUY73AA6CTTYL3LRWHNFDULV7PFPN
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/33VBUY73AA6CTTYL3LRWHNFDULV7PFPN/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/52N5XS73Z5S4ZN7I7R56ICCPCTKCUV4H
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/52N5XS73Z5S4ZN7I7R56ICCPCTKCUV4H/
- https://nvd.nist.gov/vuln/detail/CVE-2019-20477
- https://www.cve.org/CVERecord?id=CVE-2019-20477
- https://www.exploit-db.com/download/47655