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USN-4572-2: Spice vulnerability

7 October 2020

Spice could be made to crash or run programs if it received specially crafted network traffic.

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Releases

Packages

  • spice - SPICE protocol client and server library

Details

USN-4572-1 fixed a vulnerability in Spice. This update provides
the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

Frediano Ziglio discovered that Spice incorrectly handled QUIC image
decoding. A remote attacker could use this to cause Spice to crash,
resulting in a denial of service, or possibly execute arbitrary code.

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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.

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Update instructions

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

Ubuntu 14.04

After a standard system update you need to restart qemu guests to make all
the necessary changes.

References

Related notices

  • USN-4572-1: libspice-server1, spice, libspice-server-dev

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Further reading