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Information Exposure Affecting libcurl-minimal package, versions <0:7.61.1-18.el8

medium

Snyk CVSS

    Attack Complexity High

    Threat Intelligence

    EPSS 0.21% (59th percentile)
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NVD
3.7 low
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SUSE
4.3 medium
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Red Hat
3.1 low

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  • Snyk ID SNYK-CENTOS8-LIBCURLMINIMAL-2103201
  • published 26 Jul 2021
  • disclosed 9 Dec 2020
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Introduced: 9 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 Centos:8 libcurl-minimal to version 0:7.61.1-18.el8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libcurl-minimal package and not the libcurl-minimal package as distributed by Centos. See How to fix? for Centos:8 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.

References