Buffer Overflow Vulnerability in spice
Summary
DLA-825-1: spice - security update. Affects spice versions < 0.11.0-1+deb7u4. Fixed in 0.11.0-1+deb7u4. How to fix ↓
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Background
Spice is a SPICE protocol client and server library. It provides a virtual desktop environment for remote access to virtual machines. The library is used by various applications to enable remote access and control of virtual machines. However, a vulnerability has been discovered in spice that could allow an attacker to execute arbitrary code or cause a denial of service.
Vulnerability Detail
The vulnerability, identified as CVE-2016-9577, is a buffer overflow vulnerability in the main_channel_alloc_msg_rcv_buf function of spice. An authenticated attacker can exploit this vulnerability to crash the spice server or potentially execute arbitrary code. Another vulnerability, CVE-2016-9578, has also been identified, where spice does not properly validate incoming messages. This can be exploited by an attacker to crash the process by sending crafted messages.
How To Fix
Minimum fixed version
0.11.0-1+deb7u4
This is the first release that contains the fix.
sudo apt-get install --only-upgrade spiceTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no known workaround for this vulnerability. It is essential to apply the security update to ensure the system is protected.
Conclusion
A buffer overflow vulnerability has been discovered in spice, which could allow an attacker to execute arbitrary code or cause a denial of service. It is recommended to upgrade the spice packages to the fixed version to mitigate this vulnerability. For further support on vulnerability remediation, contact DevNack.com.
See every vulnerability recorded for spice →
FAQ
Spice is a SPICE protocol client and server library used for remote access to virtual machines.
The vulnerability allows an attacker to crash the spice server or potentially execute arbitrary code.
To fix this vulnerability, upgrade the spice packages to version 0.11.0-1+deb7u4 or later.
There is no known workaround. It is crucial to apply the security update.
You can find more information about Debian LTS security advisories, including how to apply updates and frequently asked questions, at https://wiki.debian.org/LTS.
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