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Home » Security Advisories» Ubuntu » Nettle vulnerability

Nettle vulnerability

  • Vendor: Ubuntu
  • Vendor ID: USN-3193-1
  • Date: February 06, 2017

Ubuntu Security Notice USN-3193-1
February 06, 2017

nettle vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS


Nettle could be made to expose sensitive information over the network.

Software Description:
- nettle: low level cryptographic library (public-key cryptos)


It was discovered that Nettle incorrectly mitigated certain timing
side-channel attacks. A remote attacker could possibly use this flaw to
recover private keys.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 16.10:
libnettle6 3.2-1ubuntu0.16.10.1

Ubuntu 16.04 LTS:
libnettle6 3.2-1ubuntu0.16.04.1

Ubuntu 14.04 LTS:
libnettle4 2.7.1-1ubuntu0.2

Ubuntu 12.04 LTS:
libnettle4 2.4-1ubuntu0.1

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


Package Information:

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