USN-3689-1: Libgcrypt vulnerability

19 June 2018

Libgcrypt could be made to expose sensitive information.

Releases

Packages

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 18.04
Ubuntu 17.10
Ubuntu 16.04
Ubuntu 14.04

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

References

Related notices

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