SQLite Temporary Directory Vulnerability - CVE-2016-6153
Summary
UBUNTU-CVE-2016-6153: os_unix.c in SQLite before 3.13.0 improperly implements the temporary directory search algorithm, which might allow local users to obtain sensitive information, cause a denial of service (application crash), or have unsp... Affects sqlite3 versions < 3.8.2-1ubuntu2.2+esm1. Fixed in 3.8.2-1ubuntu2.2+esm1. How to fix ↓
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Background
SQLite is a widely-used, lightweight, serverless SQL database engine that is embedded in applications. It is known for its simplicity and efficiency, making it a popular choice for developers. However, certain versions of SQLite are vulnerable to a flaw in the temporary directory search algorithm, which can lead to security issues.
Vulnerability Detail
The vulnerability identified as CVE-2016-6153 exists in the os_unix.c file of SQLite versions prior to 3.13.0. It improperly implements the temporary directory search algorithm, potentially allowing local users to access sensitive information, cause application crashes, or exploit other unspecified impacts by leveraging the current working directory for temporary files. This vulnerability has a CVSS score of 5.9, indicating a moderate level of risk.
How To Fix
Minimum fixed version
3.8.2-1ubuntu2.2+esm1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade sqlite3Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary measure, users can avoid using the current working directory for temporary files. Instead, specify a secure, dedicated temporary directory in the application configuration to mitigate the risk until the package is updated.
Conclusion
CVE-2016-6153 is a significant vulnerability in SQLite that can lead to serious security issues if not addressed. Users are encouraged to update their SQLite packages to the latest patched versions to mitigate risks. Additionally, utilizing tools like Vulert can help monitor for vulnerabilities in real-time.
See every vulnerability recorded for sqlite3 →
FAQ
CVE-2016-6153 is a vulnerability in SQLite that affects its temporary directory search algorithm, potentially leading to sensitive information exposure or application crashes.
SQLite versions prior to 3.13.0 are affected by this vulnerability.
You can use Vulert, which monitors open-source vulnerabilities in your software. By uploading your manifest file, you can check for vulnerabilities without needing to install any software.
If an immediate update is not possible, consider using a secure temporary directory for your application to reduce the risk of exploitation.
More information can be found in the official Ubuntu security notices and the CVE database.
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