USN-3193-1: Nettle vulnerability

6 February 2017

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

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Releases

Packages

  • 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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 16.10
Ubuntu 16.04
Ubuntu 14.04
Ubuntu 12.04

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

References

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Further reading