CVE-2023-25076

Publication date 30 March 2023

Last updated 26 August 2025

Ubuntu priority

High

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

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.

Status

Package Ubuntu Release Status
sniproxy 24.10 oracular
Not affected
24.04 LTS noble
Fixed 0.6.0-2.1build2
23.10 mantic Ignored end of life, was needs-triage
23.04 lunar
Fixed 0.6.0-2ubuntu0.23.04.1
22.10 kinetic
Fixed 0.6.0-2ubuntu0.22.10.1
22.04 LTS jammy
Fixed 0.6.0-2ubuntu0.22.04.1
20.04 LTS focal
Fixed 0.6.0-1ubuntu0.1
18.04 LTS bionic
Fixed 0.5.0-2ubuntu0.1~esm1
16.04 LTS xenial Ignored end of standard support
14.04 LTS trusty Ignored end of standard support

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
sniproxy

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references