CVE-2019-16056 Affecting python3-libs package, versions <0:3.7.4-1.amzn2.0.3


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.44% (76th percentile)

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  • Snyk IDSNYK-AMZN2-PYTHON3LIBS-1676978
  • published27 Sept 2021
  • disclosed6 Sept 2019

Introduced: 6 Sep 2019

CVE-2019-16056  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 python3-libs to version 0:3.7.4-1.amzn2.0.3 or higher.
This issue was patched in ALAS2-2019-1368.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-libs package and not the python3-libs package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

An issue was discovered in Python through 2.7.16, 3.x through 3.5.7, 3.6.x through 3.6.9, and 3.7.x through 3.7.4. The email module wrongly parses email addresses that contain multiple @ characters. An application that uses the email module and implements some kind of checks on the From/To headers of a message could be tricked into accepting an email address that should be denied. An attack may be the same as in CVE-2019-11340; however, this CVE applies to Python more generally.

References

CVSS Scores

version 3.1