<p>Upgrade <code>Amazon-Linux:2</code> <code>curl</code> to version 0:7.76.1-4.amzn2.0.1 or higher.<br>This issue was patched in <code>ALAS2-2021-1693</code>.</p>

Information Exposure Affecting curl package, versions <0:7.76.1-4.amzn2.0.1

Snyk CVSS

Attack Complexity High

Threat Intelligence

EPSS 0.12% (45^th percentile)

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Snyk ID SNYK-AMZN2-CURL-1701964
published 27 Sep 2021
disclosed 14 Dec 2020

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Introduced: 14 Dec 2020

CVE-2020-8284 Open this link in a new tab CWE-200 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2 curl to version 0:7.76.1-4.amzn2.0.1 or higher.
This issue was patched in ALAS2-2021-1693.

NVD Description

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

A malicious server can use the FTP PASV response to trick curl 7.73.0 and earlier into connecting back to a given IP address and port, and this way potentially make curl extract information about services that are otherwise private and not disclosed, for example doing port scanning and service banner extractions.