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AUSCERT External Security Bulletin Redistribution
ESB-2017.0471
Spice vulnerabilities
21 February 2017
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AusCERT Security Bulletin Summary
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Product: libspice-server1
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2016-9578 CVE-2016-9577
Reference: ESB-2017.0461
ESB-2017.0355
ESB-2017.0353
Original Bulletin:
http://www.ubuntu.com/usn/usn-3202-1
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USN-3202-1: Spice vulnerabilities
Ubuntu Security Notice USN-3202-1
20th February, 2017
spice vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
Ubuntu 16.10
Ubuntu 16.04 LTS
Ubuntu 14.04 LTS
Summary
Spice could be made to crash or run programs if it received specially crafted
network traffic.
Software description
spice - SPICE protocol client and server library
Details
Frediano Ziglio discovered that Spice incorrectly handled certain client
messages. A remote attacker could use this issue 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
version:
Ubuntu 16.10:
libspice-server1 0.12.8-1ubuntu0.1
Ubuntu 16.04 LTS:
libspice-server1 0.12.6-4ubuntu0.2
Ubuntu 14.04 LTS:
libspice-server1 0.12.4-0nocelt2ubuntu1.4
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
CVE-2016-9577, CVE-2016-9578
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