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CVE-2023-25076

Published: Mar 30, 2023

Modified: Mar 5, 2025

PUBLISHED

CVSS v3.1

9.8

CRITICAL

Description

A buffer overflow vulnerability exists in the handling of wildcard backend hosts of SNIProxy 0.6.0-2 and the master branch (commit: 822bb80df9b7b345cc9eba55df74a07b498819ba). A specially crafted HTTP or TLS packet can lead to arbitrary code execution. An attacker could send a malicious packet to trigger this vulnerability.

Vendor	Product	Versions
SNIProxy	SNIProxy	affected `0.6.0-2` affected `Master 822bb80df9b7b345cc9eba55df74a07b498819ba`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

References

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1731

https://github.com/dlundquist/sniproxy/commit/f8d9a433fe22ab2fa15c00179048ab02ae23d583

https://lists.debian.org/debian-lts-announce/2023/04/msg00030.html

https://www.debian.org/security/2023/dsa-5413

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