========================================================================== Ubuntu Security Notice USN-4466-1 August 19, 2020
curl vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: curl could be made to expose sensitive information over the network. Software Description: - curl: HTTP, HTTPS, and FTP client and client libraries Details: Marc Aldorasi discovered that curl incorrectly handled the libcurl CURLOPT_CONNECT_ONLY option. This could result in data being sent to the wrong destination, possibly exposing sensitive information. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: curl 7.68.0-1ubuntu2.2 libcurl3-gnutls 7.68.0-1ubuntu2.2 libcurl3-nss 7.68.0-1ubuntu2.2 libcurl4 7.68.0-1ubuntu2.2 Ubuntu 18.04 LTS: curl 7.58.0-2ubuntu3.10 libcurl3-gnutls 7.58.0-2ubuntu3.10 libcurl3-nss 7.58.0-2ubuntu3.10 libcurl4 7.58.0-2ubuntu3.10 Ubuntu 16.04 LTS: curl 7.47.0-1ubuntu2.16 libcurl3 7.47.0-1ubuntu2.16 libcurl3-gnutls 7.47.0-1ubuntu2.16 libcurl3-nss 7.47.0-1ubuntu2.16 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/4466-1 CVE-2020-8231 Package Information: https://launchpad.net/ubuntu/+source/curl/7.68.0-1ubuntu2.2 https://launchpad.net/ubuntu/+source/curl/7.58.0-2ubuntu3.10 https://launchpad.net/ubuntu/+source/curl/7.47.0-1ubuntu2.16
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