USN-3347-1

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USN-3347-1

Summary: libgcrypt11, libgcrypt20 vulnerabilities

Details: Daniel J. Bernstein, Joachim Breitner, Daniel Genkin, Leon Groot Bruinderink, Nadia Heninger, Tanja Lange, Christine van Vredendaal, and Yuval Yarom discovered that Libgcrypt was susceptible to an attack via side channels. A local attacker could use this attack to recover RSA private keys. (CVE-2017-7526) It was discovered that Libgcrypt was susceptible to an attack via side channels. A local attacker could use this attack to possibly recover EdDSA private keys. This issue only applied to Ubuntu 16.04 LTS, Ubuntu 16.10 and Ubuntu 17.04. (CVE-2017-9526)

References: https://ubuntu.com/security/notices/USN-3347-1, https://ubuntu.com/security/CVE-2017-7526, https://ubuntu.com/security/CVE-2017-9526