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Ubuntu 16.04 LTS: USN-4236-2 Critical Libgcrypt Timing Attack

Libgcrypt could be made to expose sensitive information.. =========================================================================Ubuntu Security Notice USN-4236-2 January 14, 2020 libgcrypt20 vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 16.04 LTS Summary: Libgcrypt could be made to expose sensitive information. Software Description: - libgcrypt20: LGPL Crypto library Details: USN-4236-1 fixed a vulnerability in Libgcrypt. This update provides the corresponding fix for Ubuntu 16.04 LTS. Original advisory details: It was discovered that Libgcrypt was susceptible to a ECDSA timing attack. An attacker could possibly use this attack to recover sensitive information. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 LTS: libgcrypt20 1.6.5-2ubuntu0.6 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-4236-2 https://ubuntu.com/security/notices/USN-4236-1 CVE-2019-13627 Package Information: https://launchpad.net/ubuntu/+source/libgcrypt20/1.6.5-2ubuntu0.6 . Boost your system's protection by upgrading libgcrypt on Ubuntu 16.04 LTS to guard against the risk of sensitive data leaks.. libgcrypt, Ubuntu vulnerability, sensitive data exposure, security notice. . Severity: Critical. LinuxSecurity.com Team

Jan 14, 2020 •Critical Ubuntu