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==========================================================================
Ubuntu Security Notice USN-4402-1
June 24, 2020

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

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

- Ubuntu 20.04 LTS
- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in curl.

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

Details:

Marek Szlagor, Gregory Jefferis and Jeroen Ooms discovered
that curl incorrectly handled certain credentials. An attacker
could possibly use this issue to expose sensitive information.
This issue only affected Ubuntu 19.10 and Ubuntu 20.04 LTS.
(CVE-2020-8169)

It was discovered that curl incorrectly handled certain parameters.
An attacker could possibly use this issue to overwrite a local file.
(CVE-2020-8177)

Update instructions:

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

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

Ubuntu 19.10:
  curl                            7.65.3-1ubuntu3.1
  libcurl3-gnutls                 7.65.3-1ubuntu3.1
  libcurl3-nss                    7.65.3-1ubuntu3.1
  libcurl4                        7.65.3-1ubuntu3.1

Ubuntu 18.04 LTS:
  curl                            7.58.0-2ubuntu3.9
  libcurl3-gnutls                 7.58.0-2ubuntu3.9
  libcurl3-nss                    7.58.0-2ubuntu3.9
  libcurl4                        7.58.0-2ubuntu3.9

Ubuntu 16.04 LTS:
  curl                            7.47.0-1ubuntu2.15
  libcurl3                        7.47.0-1ubuntu2.15
  libcurl3-gnutls                 7.47.0-1ubuntu2.15
  libcurl3-nss                    7.47.0-1ubuntu2.15

Ubuntu 14.04 ESM:
  curl                            7.35.0-1ubuntu2.20+esm4
  libcurl3                        7.35.0-1ubuntu2.20+esm4
  libcurl3-gnutls                 7.35.0-1ubuntu2.20+esm4
  libcurl3-nss                    7.35.0-1ubuntu2.20+esm4

Ubuntu 12.04 ESM:
  curl                            7.22.0-3ubuntu4.28
  libcurl3                        7.22.0-3ubuntu4.28
  libcurl3-gnutls                 7.22.0-3ubuntu4.28
  libcurl3-nss                    7.22.0-3ubuntu4.28

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

References:
  https://usn.ubuntu.com/4402-1
  CVE-2020-8169, CVE-2020-8177

Package Information:
  https://launchpad.net/ubuntu/+source/curl/7.68.0-1ubuntu2.1
  https://launchpad.net/ubuntu/+source/curl/7.65.3-1ubuntu3.1
  https://launchpad.net/ubuntu/+source/curl/7.58.0-2ubuntu3.9
  https://launchpad.net/ubuntu/+source/curl/7.47.0-1ubuntu2.15

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