CVE-2023-49606 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tinyproxy Project	Tinyproxy	1.10.0

Related Weaknesses (CWE)

CWE-416

References

http://www.openwall.com/lists/oss-security/2024/05/07/1ExploitIssue TrackingMailing List
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1889ExploitThird Party Advisory
http://www.openwall.com/lists/oss-security/2024/05/07/1ExploitIssue TrackingMailing List
https://lists.debian.org/debian-lts-announce/2024/09/msg00035.html
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1889ExploitThird Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1889

FAQ

What is CVE-2023-49606?

CVE-2023-49606 is a vulnerability with a CVSS score of 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. A specially crafted HTTP header can trigger reuse of previously freed memory, whi...

How severe is CVE-2023-49606?

CVE-2023-49606 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2023-49606?

Check the references section above for vendor advisories and patch information. Affected products include: Tinyproxy Project Tinyproxy.