========================================================================== Ubuntu Security Notice USN-3882-1 February 06, 2019 curl vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: Several security issues were fixed in curl. Software Description: - curl: HTTP, HTTPS, and FTP client and client libraries Details: Wenxiang Qian discovered that curl incorrectly handled certain NTLM authentication messages. A remote attacker could possibly use this issue to cause curl to crash, resulting in a denial of service. This issue only applied to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 18.10. (CVE-2018-16890) Wenxiang Qian discovered that curl incorrectly handled certain NTLMv2 authentication messages. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 18.10. (CVE-2019-3822) Brian Carpenter discovered that curl incorrectly handled certain SMTP responses. A remote attacker could possibly use this issue to cause curl to crash, resulting in a denial of service. (CVE-2019-3823) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10: curl 7.61.0-1ubuntu2.3 libcurl3-gnutls 7.61.0-1ubuntu2.3 libcurl3-nss 7.61.0-1ubuntu2.3 libcurl4 7.61.0-1ubuntu2.3 Ubuntu 18.04 LTS: curl 7.58.0-2ubuntu3.6 libcurl3-gnutls 7.58.0-2ubuntu3.6 libcurl3-nss 7.58.0-2ubuntu3.6 libcurl4 7.58.0-2ubuntu3.6 Ubuntu 16.04 LTS: curl 7.47.0-1ubuntu2.12 libcurl3 7.47.0-1ubuntu2.12 libcurl3-gnutls 7.47.0-1ubuntu2.12 libcurl3-nss 7.47.0-1ubuntu2.12 Ubuntu 14.04 LTS: curl 7.35.0-1ubuntu2.20 libcurl3 7.35.0-1ubuntu2.20 libcurl3-gnutls 7.35.0-1ubuntu2.20 libcurl3-nss 7.35.0-1ubuntu2.20 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3882-1 CVE-2018-16890, CVE-2019-3822, CVE-2019-3823 Package Information: https://launchpad.net/ubuntu/+source/curl/7.61.0-1ubuntu2.3 https://launchpad.net/ubuntu/+source/curl/7.58.0-2ubuntu3.6 https://launchpad.net/ubuntu/+source/curl/7.47.0-1ubuntu2.12 https://launchpad.net/ubuntu/+source/curl/7.35.0-1ubuntu2.20