Your submission was sent successfully! Close

USN-3689-2: Libgcrypt vulnerability

19 June 2018

Libgcrypt could be made to expose sensitive information.




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

In general, a standard system update will make all the necessary changes.


Related notices

  • USN-3692-1: libcrypto1.0.0-udeb, libssl1.0.0-udeb, libssl1.1, libssl1.0.0, libcrypto1.1-udeb, openssl1.0, libssl-dev, libssl1.1-udeb, openssl, libssl1.0-dev, libssl-doc
  • USN-3692-2: libssl1.0.0, openssl
  • USN-3689-1: libgcrypt11-dev, libgcrypt20-udeb, libgcrypt11-doc, libgcrypt-mingw-w64-dev, libgcrypt20-doc, libgcrypt20, libgcrypt11-udeb, libgcrypt20-dev, libgcrypt11
  • USN-3850-1: libnss3-tools, libnss3-dev, nss, libnss3-1d, libnss3-nssdb, libnss3
  • USN-3850-2: libnss3, nss