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Ubuntu: (Multiple Advisories) (CVE-2020-8284): curl vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2020-8284): curl vulnerabilities

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
12/09/2020
Created
12/12/2020
Added
12/10/2020
Modified
03/09/2021

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)

  • ubuntu-upgrade-curl
  • ubuntu-upgrade-libcurl3
  • ubuntu-upgrade-libcurl3-gnutls
  • ubuntu-upgrade-libcurl3-nss
  • ubuntu-upgrade-libcurl4

References

  • USN-4665-1
  • USN-4665-2
  • CVE-2020-8284

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