[USN-4572-2] Spice vulnerability
Leonidas S. Barbosa
leo.barbosa at canonical.com
Wed Oct 7 14:46:47 UTC 2020
Ubuntu Security Notice USN-4572-2
October 07, 2020
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
Spice could be made to crash or run programs if it received specially
crafted network traffic.
- spice: SPICE protocol client and server library
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.
The problem can be corrected by updating your system to the following
Ubuntu 14.04 ESM:
After a standard system update you need to restart qemu guests to make all
the necessary changes.
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