CVE-2023-49606

CRITICAL EPSS 99.1%
Published May 1, 20242y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published May 1, 2024 2y ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
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

Threat Intelligence

EPSS Exploit Probability
99.1% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 2

VendorProductVersionRange
tinyproxy_projecttinyproxy1.10.0any
tinyproxy_projecttinyproxy1.11.1any

References 4

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

Remediation

  • openwall.com http://www.openwall.com/lists/oss-security/2024/05/07/1
    ExploitIssue TrackingMailing ListPatchThird Party Advisory