Vulnerability in intel-ucode package: CVE-2017-5754
Summary
CVE-2017-5754: Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis of the data c... Affects intel-ucode versions < 20190514a-r0. Fixed in 20190514a-r0. How to fix ↓
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Background
The intel-ucode package is a microcode update for Intel processors. It is used to enhance the performance and security of the processors by updating their firmware. However, a vulnerability has been discovered in systems with microprocessors utilizing speculative execution and indirect branch prediction. This vulnerability may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis of the data cache.
Vulnerability Detail
The vulnerability, identified as CVE-2017-5754, originates from the speculative execution and indirect branch prediction features of microprocessors. By exploiting this vulnerability, an attacker with local user access can perform a side-channel analysis of the data cache, leading to unauthorized disclosure of information. The ramifications of this vulnerability can be severe, as it allows an attacker to access sensitive data on the affected system.
How To Fix
Minimum fixed version
20190514a-r0
This is the first release that contains the fix.
sudo apk add --upgrade intel-ucodeTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability. It is crucial to apply the recommended fix by updating the intel-ucode package to the latest version.
Conclusion
The vulnerability in the intel-ucode package (CVE-2017-5754) allows unauthorized disclosure of information to an attacker with local user access. It is crucial to update the package to the recommended version to mitigate the risk of information exposure. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for intel-ucode →
FAQ
The vulnerability allows unauthorized disclosure of information to an attacker with local user access. This can lead to the exposure of sensitive data on the affected system.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. It provides real-time monitoring and alerts for open-source vulnerabilities without requiring access to the code or installation.
Yes, the CVSS score for this vulnerability is 5.6, indicating a moderate severity level.
There may be known exploits for this vulnerability, as it has been identified and categorized with a CVE identifier. It is crucial to apply the recommended fix to mitigate the risk of exploitation.
You can find more information about this vulnerability in the CVE-2017-5754 database entry: https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-5754.json
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