9.8
Critical
CVE-2020-1747 A vulnerability was discovered in the PyYAML library in versions before 5.3.1, where it is susceptible to arbitrary code…
Description
A vulnerability was discovered in the PyYAML library in versions before 5.3.1, where it is susceptible to arbitrary code execution when it processes untrusted YAML files through the full_load method or with the FullLoader loader. Applications that use the library to process untrusted input may be vulnerable to this flaw. An attacker could use this flaw to execute arbitrary code on the system by abusing the python/object/new constructor.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| PyYAML | 5.3.1 | No fix stated |
References
- FEDORA-2020-40c35d7b37 lists.fedoraproject.org
- FEDORA-2020-bdb0bfa928 lists.fedoraproject.org
- FEDORA-2020-e9741a6a15 lists.fedoraproject.org
- openSUSE-SU-2020:0507 lists.opensuse.org
- openSUSE-SU-2020:0630 lists.opensuse.org
- FEDORA-2021-3342569a0f lists.fedoraproject.org
- FEDORA-2021-eed7193502 lists.fedoraproject.org
- www.oracle.com www.oracle.com
- bugzilla.redhat.com bugzilla.redhat.com
- github.com github.com
Timeline
- Published
- Last modified