[월:] 2016년 11월

USN-3138-1: python-cryptography vulnerability Ubuntu Security Notice USN-3138-1 28th November, 2016 python-cryptography vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.10 Ubuntu 16.04 LTS Summary python-cryptography could generate incorrect keys. Software description python-cryptography – Cryptography Python library Details Markus Döring discovered that python-cryptography incorrectly handledcertain HKDF lengths. This could result in python-cryptography returning anempty string instead of the expected derived key. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 16.10: python3-cryptography 1.5-2ubuntu0.1 python-cryptography 1.5-2ubuntu0.1 Ubuntu 16.04 LTS: python3-cryptography 1.2.3-1ubuntu0.1 python-cryptography 1.2.3-1ubuntu0.1 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system update will make all the necessary changes. References CVE-2016-9243 Source: USN-3138-1: python-cryptography vulnerability