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CVE-2023-49606

9.8 · CRITICAL

A use-after-free vulnerability exists in the HTTP Connection Headers parsing in Tinyproxy 1.11.1 and Tinyproxy 1.10.0.

Published May 1, 2024CWE-416EPSS 63.08%

Overview

CVE-2023-49606 is a critical-severity vulnerability. It was published on May 1, 2024 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A use-after-free vulnerability exists in the HTTP Connection Headers parsing in Tinyproxy 1.11.1 and Tinyproxy 1.10.0. A specially crafted HTTP header can trigger reuse of previously freed memory, which leads to memory corruption and could lead to remote code execution. An attacker needs to make an unauthenticated HTTP request to trigger this vulnerability.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.openwall.com/lists/oss-security/2024/05/07/1Reftalosintelligence.com/vulnerability_reports/TALOS-2023-1889Refwww.openwall.com/lists/oss-security/2024/05/07/1Reflists.debian.org/debian-lts-announce/2024/09/msg00035.htmlReftalosintelligence.com/vulnerability_reports/TALOS-2023-1889Refwww.talosintelligence.com/vulnerability_reports/TALOS-2023-1889

How CyberStrike helps

Frequently asked questions

What is CVE-2023-49606?

CVE-2023-49606 is a critical-severity vulnerability. It was published on May 1, 2024 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2023-49606?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-49606?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-49606?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-49606 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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