Vivian Zhang and Christoph Anton Mitterer discovered that libvirt incorrectly disabled password authentication when the VNC password was set to an empty string. A remote attacker could possibly use this issue to bypass authentication, contrary to expectations. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-5008)
Daniel P. Berrange discovered that libvirt incorrectly handled validating SSL/TLS certificates. A remote attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 17.10. (CVE-2017-1000256)
Daniel P. Berrange and Peter Krempa discovered that libvirt incorrectly handled large QEMU replies. An attacker could possibly use this issue to cause libvirt to crash, resulting in a denial of service. (CVE-2018-5748)
Pedro Sampaio discovered that libvirt incorrectly handled the libnssdns.so module. An attacker in a libvirtlxc session could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 16.04 LTS and Ubuntu 17.10. (CVE-2018-6764)
{ "availability": "No subscription required", "binaries": [ { "binary_version": "1.2.2-0ubuntu13.1.26", "binary_name": "libvirt-bin" }, { "binary_version": "1.2.2-0ubuntu13.1.26", "binary_name": "libvirt-bin-dbgsym" }, { "binary_version": "1.2.2-0ubuntu13.1.26", "binary_name": "libvirt-dev" }, { "binary_version": "1.2.2-0ubuntu13.1.26", "binary_name": "libvirt-dev-dbgsym" }, { "binary_version": "1.2.2-0ubuntu13.1.26", "binary_name": "libvirt-doc" }, { "binary_version": "1.2.2-0ubuntu13.1.26", "binary_name": "libvirt0" }, { "binary_version": "1.2.2-0ubuntu13.1.26", "binary_name": "libvirt0-dbg" }, { "binary_version": "1.2.2-0ubuntu13.1.26", "binary_name": "libvirt0-dbgsym" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "1.3.1-1ubuntu10.19", "binary_name": "libvirt-bin" }, { "binary_version": "1.3.1-1ubuntu10.19", "binary_name": "libvirt-bin-dbgsym" }, { "binary_version": "1.3.1-1ubuntu10.19", "binary_name": "libvirt-dev" }, { "binary_version": "1.3.1-1ubuntu10.19", "binary_name": "libvirt-dev-dbgsym" }, { "binary_version": "1.3.1-1ubuntu10.19", "binary_name": "libvirt-doc" }, { "binary_version": "1.3.1-1ubuntu10.19", "binary_name": "libvirt0" }, { "binary_version": "1.3.1-1ubuntu10.19", "binary_name": "libvirt0-dbg" }, { "binary_version": "1.3.1-1ubuntu10.19", "binary_name": "libvirt0-dbgsym" } ] }