Directory Traversal Affecting python-libs package, versions <0:2.7.16-3.amzn2.0.1


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.52% (77th percentile)

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  • Snyk IDSNYK-AMZN2-PYTHONLIBS-1673965
  • published27 Sept 2021
  • disclosed23 Mar 2019

Introduced: 23 Mar 2019

CVE-2019-9948  (opens in a new tab)
CWE-22  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 python-libs to version 0:2.7.16-3.amzn2.0.1 or higher.
This issue was patched in ALAS2-2019-1291.

NVD Description

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

urllib in Python 2.x through 2.7.16 supports the local_file: scheme, which makes it easier for remote attackers to bypass protection mechanisms that blacklist file: URIs, as demonstrated by triggering a urllib.urlopen('local_file:///etc/passwd') call.

References

CVSS Scores

version 3.1