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Oracle Linux: (CVE-2021-22946) ELSA-2021-4059: curl security update

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Oracle Linux: (CVE-2021-22946) ELSA-2021-4059: curl security update

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
09/15/2021
Created
11/05/2021
Added
11/03/2021
Modified
11/03/2021

Description

A user can tell curl >= 7.20.0 and <= 7.78.0 to require a successful upgrade to TLS when speaking to an IMAP, POP3 or FTP server (`--ssl-reqd` on the command line or`CURLOPT_USE_SSL` set to `CURLUSESSL_CONTROL` or `CURLUSESSL_ALL` withlibcurl). This requirement could be bypassed if the server would return a properly crafted but perfectly legitimate response.This flaw would then make curl silently continue its operations **withoutTLS** contrary to the instructions and expectations, exposing possibly sensitive data in clear text over the network.

Solution(s)

  • oracle-linux-upgrade-curl
  • oracle-linux-upgrade-libcurl
  • oracle-linux-upgrade-libcurl-devel
  • oracle-linux-upgrade-libcurl-minimal

References

  • ELSA-2021-4059
  • CVE-2021-22946
  • USN-5079-2
  • USN-5079-3
  • USN-5079-4

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