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CVE-2023-49606

critical

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.

References

https://blog.talosintelligence.com/vulnerability-roundup-zero-days-may-8-2024/

https://www.bleepingcomputer.com/news/security/over-50-000-tinyproxy-servers-vulnerable-to-critical-rce-flaw/

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1889

http://www.openwall.com/lists/oss-security/2024/05/07/1

Details

Source: Mitre, NVD

Published: 2024-05-01

Updated: 2024-05-07

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.34928

Vulnerability Watch

Tenable Research has classified this CVE under the following Vulnerability Watch classification, which includes active and historical (inactive) classifications. You can learn more about these classifications on our blog.

Vulnerability Being Monitored