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AUSCERT External Security Bulletin Redistribution
ESB-2018.1588
Spice vulnerability
25 May 2018
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AusCERT Security Bulletin Summary
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Product: spice
Publisher: Ubuntu
Operating System: Ubuntu
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2017-12194
Original Bulletin:
http://www.ubuntu.com/usn/usn-3659-1
Comment: This advisory references vulnerabilities in products which run on
platforms other than Ubuntu. It is recommended that administrators
running spice check for an updated version of the software for their
operating system.
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USN-3659-1: Spice vulnerability
23 May 2018
spice, spice-protocol vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 18.04 LTS
o Ubuntu 17.10
o Ubuntu 16.04 LTS
o Ubuntu 14.04 LTS
Summary
Spice could be made to crash or run programs if it received specially crafted
network traffic.
Software Description
o spice - SPICE protocol client and server library
o spice-protocol - SPICE protocol headers
Details
Frediano Ziglio discovered that Spice incorrectly handled certain client
messages. An attacker could possibly use this to cause Spice to crash,
resulting in a denial of service, or possibly execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 18.04 LTS
libspice-server1 - 0.14.0-1ubuntu2.1
Ubuntu 17.10
libspice-server1 - 0.12.8-2.2ubuntu0.1
Ubuntu 16.04 LTS
libspice-protocol-dev - 0.12.10-1ubuntu0.1
Ubuntu 14.04 LTS
libspice-server1 - 0.12.4-0nocelt2ubuntu1.6
To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart qemu guests to make all the
necessary changes.
References
o CVE-2017-12194
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