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


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.21% (59th percentile)

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  • Snyk IDSNYK-AMZN2-CURLDEBUGINFO-1702045
  • published27 Sept 2021
  • disclosed14 Dec 2020

Introduced: 14 Dec 2020

CVE-2020-8284  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 curl-debuginfo 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-debuginfo package and not the curl-debuginfo 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.

CVSS Scores

version 3.1