USN-3193-1: Nettle vulnerability

Ubuntu Security Notice USN-3193-1

6th February, 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

Summary

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

Software description

  • nettle
    – low level cryptographic library (public-key cryptos)

Details

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 version:

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

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2016-6489


Source From: ubuntu.com.
Original article title: USN-3193-1: Nettle vulnerability.
This full article can be read at: USN-3193-1: Nettle vulnerability.

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