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Red Hat: CVE-2020-8284: CVE-2020-8284 curl: FTP PASV command response can cause curl to connect to arbitrary host (Multiple Advisories)

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Red Hat: CVE-2020-8284: CVE-2020-8284 curl: FTP PASV command response can cause curl to connect to arbitrary host (Multiple Advisories)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
12/14/2020
Created
05/21/2021
Added
05/21/2021
Modified
12/15/2023

Description

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.

Solution(s)

  • redhat-upgrade-curl
  • redhat-upgrade-curl-debuginfo
  • redhat-upgrade-curl-debugsource
  • redhat-upgrade-curl-minimal-debuginfo
  • redhat-upgrade-libcurl
  • redhat-upgrade-libcurl-debuginfo
  • redhat-upgrade-libcurl-devel
  • redhat-upgrade-libcurl-minimal
  • redhat-upgrade-libcurl-minimal-debuginfo

References

  • DSA-4881
  • CVE-2020-8284
  • RHSA-2021:1610

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