Denial of Service Vulnerability in Virtuoso OpenSource Package
Summary
DEBIAN-CVE-2023-48948: An issue in the box_div function in openlink virtuoso-opensource v7.2.11 allows attackers to cause a Denial of Service (DoS) after running a SELECT statement. Affects virtuoso-opensource versions < 7.2.12+dfsg-0.2. Fixed in 7.2.12+dfsg-0.2. How to fix ↓
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Background
Virtuoso OpenSource is a versatile, high-performance database engine that supports RDF, SQL, and SPARQL. It is widely used for building semantic web applications and data integration solutions. The package is known for its ability to handle large datasets and complex queries efficiently. However, it has recently been identified to have a vulnerability that can lead to a Denial of Service (DoS) attack, specifically affecting versions prior to 7.2.12+dfsg-0.2.
Vulnerability Detail
The vulnerability arises from an issue in the box_div function within the Virtuoso OpenSource package version 7.2.11. Attackers can exploit this flaw by executing a specially crafted SELECT statement, which can cause the system to become unresponsive, leading to a Denial of Service. This vulnerability poses a significant risk as it can disrupt services relying on the database, potentially affecting applications and users dependent on its availability.
How To Fix
Minimum fixed version
7.2.12+dfsg-0.2
This is the first release that contains the fix.
sudo apt-get install --only-upgrade virtuoso-opensourceTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary measure, you can limit access to the database or implement rate limiting on SELECT statements to mitigate the risk of exploitation until the package is updated.
Conclusion
The identified vulnerability in the Virtuoso OpenSource package poses a serious risk of Denial of Service attacks. It is crucial for users to update to the latest patched version to safeguard their systems. Implementing workarounds can provide temporary relief until the update is applied.
See every vulnerability recorded for virtuoso-opensource →
FAQ
The vulnerability allows attackers to execute a SELECT statement that can cause a Denial of Service (DoS) in the Virtuoso OpenSource package.
Versions prior to 7.2.12+dfsg-0.2 are affected by this vulnerability.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
If an immediate update is not possible, consider implementing access controls or rate limiting on database queries to reduce the risk of exploitation.
More details can be found in the official Debian CVE database at https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-48948.json.
References
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