========================================================================== Ubuntu Security Notice USN-3689-2 June 19, 2018
libgcrypt11 vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.04 ESM Summary: Libgcrypt could be made to expose sensitive information. Software Description: - libgcrypt11: LGPL Crypto library Details: USN-3689-1 fixed a vulnerability in Libgcrypt. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Keegan Ryan discovered that Libgcrypt was susceptible to a side- channel attack. A local attacker could possibly use this attack to recover ECDSA private keys. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 ESM: libgcrypt11 1.5.0-3ubuntu0.8 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3689-2 https://usn.ubuntu.com/usn/usn-3689-1 CVE-2018-0495
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