USN-3689-2: Libgcrypt vulnerability

Releases

• Ubuntu 12.04

Packages

• 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

• libgcrypt11 - 1.5.0-3ubuntu0.8

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

References

• CVE-2018-0495

Related notices

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