#ubuntu

Ubuntu Security Notice 5854-1 - It was discovered that an out-of-bounds write vulnerability existed in the Video for Linux 2 implementation in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Pawan Kumar Gupta, Alyssa Milburn, Amit Peled, Shani Rehana, Nir Shildan and Ariel Sabba discovered that some Intel processors with Enhanced Indirect Branch Restricted Speculation did not properly handle RET instructions after a VM exits. A local attacker could potentially use this to expose sensitive information.

Monitorr version 1.7.6 remote shell upload proof of concept exploit written in Python.

Ubuntu Security Notice 5850-1 - It was discovered that the Bluetooth HCI implementation in the Linux kernel did not properly deallocate memory in some situations. An attacker could possibly use this cause a denial of service. It was discovered that the Broadcom FullMAC USB WiFi driver in the Linux kernel did not properly perform bounds checking in some situations. A physically proximate attacker could use this to craft a malicious USB device that when inserted, could cause a denial of service or possibly execute arbitrary code.

Ubuntu Security Notice 5851-1 - It was discovered that a memory leak existed in the Unix domain socket implementation of the Linux kernel. A local attacker could use this to cause a denial of service. It was discovered that the Bluetooth HCI implementation in the Linux kernel did not properly deallocate memory in some situations. An attacker could possibly use this cause a denial of service.

Ubuntu Security Notice 5852-1 - It was discovered that OpenStack Swift incorrectly handled certain XML files. A remote authenticated user could possibly use this issue to obtain arbitrary file contents containing sensitive information from the server.

Ubuntu Security Notice 5835-5 - USN-5835-3 fixed vulnerabilities in Nova. This update provides the corresponding updates for Ubuntu 18.04 LTS. Guillaume Espanel, Pierre Libeau, Arnaud Morin, and Damien Rannou discovered that Nova incorrectly handled VMDK image processing. An authenticated attacker could possibly supply a specially crafted VMDK flat image and obtain arbitrary files from the server containing sensitive information.

Ubuntu Security Notice 5835-4 - USN-5835-1 fixed vulnerabilities in Cinder. This update provides the corresponding updates for Ubuntu 18.04 LTS. In addition, a regression was fixed for Ubuntu 20.04 LTS. Guillaume Espanel, Pierre Libeau, Arnaud Morin, and Damien Rannou discovered that Cinder incorrectly handled VMDK image processing. An authenticated attacker could possibly supply a specially crafted VMDK flat image and obtain arbitrary files from the server containing sensitive information.

Ubuntu Security Notice 5849-1 - Helmut Grohne discovered that Heimdal GSSAPI incorrectly handled logical conditions that are related to memory management operations. An attacker could possibly use this issue to cause a denial of service.

Ubuntu Security Notice 5845-2 - USN-5845-1 fixed several vulnerabilities in OpenSSL. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. David Benjamin discovered that OpenSSL incorrectly handled X.400 address processing. A remote attacker could possibly use this issue to read arbitrary memory contents or cause OpenSSL to crash, resulting in a denial of service.

Command Injection vulnerability in Edimax Technology Co., Ltd. Wireless Router N300 Firmware BR428nS v3 allows attacker to execute arbitrary code via the formWlanMP function.