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Mageia 7: MGASA-2021-0119 Moderate: Python-YAML Arbitrary Code Execution

mageia
Calendar Grey March 11, 2021
Dist Mageia Esm H88
CVE-2021-0119 highlights a vulnerability in python-yaml, which can permit remote code execution via untrusted input files. Prioritize your safety!
A vulnerability was discovered in the PyYAML library, where it is susceptible to arbitrary code execution when it processes untrusted YAML files through the full_load method or wit...

Summary

A vulnerability was discovered in the PyYAML library, 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. This flaw allows an attacker to execute arbitrary code on the system by abusing the python/object/new constructor. This flaw is due to an incomplete fix for CVE-2020-1747 (CVE-2020-14343).

References

- https://bugs.mageia.org/show_bug.cgi?id=28205

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/MMQXSZXNJT6ERABJZAAICI3DQSQLCP3D/

- https://www.cve.org/CVERecord?id=CVE-2020-14343

Topics%20covered

Topics Covered

security advisory moderate arbitrary code execution security fix software fix Mageia mageia python-yaml

Resolution

SRPMS

- 7/core/python-yaml-5.3.1-1.1.mga7

Publication date: 12 Mar 2021
URL: https://advisories.mageia.org/MGASA-2021-0119.html
Type: security
CVE: CVE-2020-14343

Topics%20covered

Topics Covered

security advisory moderate arbitrary code execution security fix software fix Mageia mageia python-yaml

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