[USN-5397-1] curl vulnerabilities

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-5397-1
April 28, 2022

curl vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS
- Ubuntu 21.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in curl.

Software Description:
- curl: HTTP, HTTPS, and FTP client and client libraries

Details:

Patrick Monnerat discovered that curl incorrectly handled certain OAUTH2.
An attacker could possibly use this issue to access sensitive information.
(CVE-2022-22576)

Harry Sintonen discovered that curl incorrectly handled certain requests.
An attacker could possibly use this issue to expose sensitive information.
(CVE-2022-27774, CVE-2022-27775, CVE-2022-27776)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.04 LTS:
  curl                            7.81.0-1ubuntu1.1
  libcurl3-gnutls                 7.81.0-1ubuntu1.1
  libcurl3-nss                    7.81.0-1ubuntu1.1
  libcurl4                        7.81.0-1ubuntu1.1

Ubuntu 21.10:
  curl                            7.74.0-1.3ubuntu2.1
  libcurl3-gnutls                 7.74.0-1.3ubuntu2.1
  libcurl3-nss                    7.74.0-1.3ubuntu2.1
  libcurl4                        7.74.0-1.3ubuntu2.1

Ubuntu 20.04 LTS:
  curl                            7.68.0-1ubuntu2.10
  libcurl3-gnutls                 7.68.0-1ubuntu2.10
  libcurl3-nss                    7.68.0-1ubuntu2.10
  libcurl4                        7.68.0-1ubuntu2.10

Ubuntu 18.04 LTS:
  curl                            7.58.0-2ubuntu3.17
  libcurl3-gnutls                 7.58.0-2ubuntu3.17
  libcurl3-nss                    7.58.0-2ubuntu3.17
  libcurl4                        7.58.0-2ubuntu3.17

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-5397-1
  CVE-2022-22576, CVE-2022-27774, CVE-2022-27775, CVE-2022-27776

Package Information:
  https://launchpad.net/ubuntu/+source/curl/7.81.0-1ubuntu1.1
  https://launchpad.net/ubuntu/+source/curl/7.74.0-1.3ubuntu2.1
  https://launchpad.net/ubuntu/+source/curl/7.68.0-1ubuntu2.10
  https://launchpad.net/ubuntu/+source/curl/7.58.0-2ubuntu3.17
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