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
Source: USN-3193-1: Nettle vulnerability
