Critical Vulnerability in Tinyproxy: CVE-2023-40533
Summary
UBUNTU-CVE-2023-40533: REJECT This CVE ID is a duplicate of CVE-2022-40468. Affects tinyproxy versions 1.8.3-3ubuntu1 – 1.8.3-3ubuntu14.04.1~esm3. No fix is published. How to fix ↓
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Background
Tinyproxy is a lightweight HTTP/HTTPS proxy daemon designed to be fast and easy to use. It is commonly utilized in various environments to facilitate web traffic management and enhance privacy. However, Tinyproxy has been identified to have a vulnerability that could potentially expose sensitive data, making it crucial for users to be aware of and address this issue promptly.
Vulnerability Detail
CVE-2023-40533 is a vulnerability that has been classified as a duplicate of CVE-2022-40468. It affects multiple versions of Tinyproxy across various Ubuntu LTS distributions. The vulnerability arises from improper handling of certain requests, which could lead to unauthorized access to sensitive information. The CVSS score for this vulnerability is 5.9, indicating a medium severity level. Users should be aware that this vulnerability can have serious implications if left unaddressed, as it may allow attackers to exploit the proxy for malicious purposes.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, users can restrict access to Tinyproxy by configuring firewall rules to limit incoming connections to trusted IP addresses only. This can be done using the following command:
sudo ufw allow from <trusted_ip> to any port 8888
Conclusion
CVE-2023-40533 represents a significant vulnerability in Tinyproxy that requires immediate attention. Users are encouraged to update their installations to the latest versions and consider implementing additional security measures to protect their systems.
See every vulnerability recorded for tinyproxy →
FAQ
CVE-2023-40533 is a vulnerability in Tinyproxy that allows unauthorized access to sensitive information.
If exploited, this vulnerability can lead to unauthorized access to data transmitted through the Tinyproxy service.
You should update Tinyproxy to the latest patched version for your Ubuntu distribution to mitigate the risk.
Yes, you can restrict access to Tinyproxy by configuring firewall rules to limit incoming connections.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. You can check your application using the Vulert playground without any signup.
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