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Mageia: 2020-0155 Moderate: Python-YAML Arbitrary Code Execution

mageia
Calendar Grey April 2, 2020
Dist Mageia Esm H88
Revised python-yaml modules rectify a critical vulnerability, which enables arbitrary command execution via improperly structured YAML documents.
Updated python-yaml packages fix security vulnerability: A vulnerability was discovered in the PyYAML library, where it is susceptible to arbitrary code execution when it processe...

Summary

Updated python-yaml packages fix security vulnerability:
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. An attacker could use this flaw to execute arbitrary code on the system by abusing the python/object/new constructor (CVE-2020-1747).

References

- https://bugs.mageia.org/show_bug.cgi?id=26405

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/WORRFHPQVAFKKXXWLSSW6XKUYLWM6CSH/

- https://www.cve.org/CVERecord?id=CVE-2020-1747

Topics%20covered

Topics Covered

security advisory security issue update arbitrary code execution Mageia python-yaml

Resolution

SRPMS

- 7/core/python-yaml-5.3.1-1.mga7

Severity
important
Lowest
Low
Medium
High
Critical

Publication date: 02 Apr 2020
URL: https://advisories.mageia.org/MGASA-2020-0155.html
Type: security
CVE: CVE-2020-1747

Topics%20covered

Topics Covered

security advisory security issue update arbitrary code execution Mageia python-yaml

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