9.8
CRITICAL
CVE-2023-25076
"SNIProxy SNI Handling Buffer Overflow Vulnerability"
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.

INFO

Published Date :

March 30, 2023, 3:15 p.m.

Last Modified :

May 27, 2023, 4:15 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2023-25076 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2023-25076 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Sniproxy_project sniproxy
: Total Affected Vendor : 1 | Products : 1
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-25076.

URL Resource
https://github.com/dlundquist/sniproxy/commit/f8d9a433fe22ab2fa15c00179048ab02ae23d583 Patch
https://lists.debian.org/debian-lts-announce/2023/04/msg00030.html
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1731 Exploit Mitigation Third Party Advisory
https://www.debian.org/security/2023/dsa-5413

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
DiRaltvein/memory-corruption-examples

None

C JavaScript C++ HTML

Updated: 1 week, 6 days ago
0 stars 0 fork 0 watcher
Born at : June 7, 2024, 3:37 p.m. This repo has been linked 85 different CVEs too.
Profile Photo
dlundquist/sniproxy

Proxies incoming HTTP and TLS connections based on the hostname contained in the initial request of the TCP session.

Shell C Perl Makefile M4

Updated: 2 weeks ago
2524 stars 390 fork 390 watcher
Born at : Dec. 20, 2010, 8:02 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-25076 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-25076 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 27, 2023

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2023/dsa-5413 [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 30, 2023

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2023/04/msg00030.html [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 20, 2023

    Action Type Old Value New Value
    Changed 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, TLS or DTLS packet can lead to arbitrary code execution. An attacker could send a malicious packet to trigger this vulnerability. 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.
  • Initial Analysis by [email protected]

    Apr. 06, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/dlundquist/sniproxy/commit/f8d9a433fe22ab2fa15c00179048ab02ae23d583 No Types Assigned https://github.com/dlundquist/sniproxy/commit/f8d9a433fe22ab2fa15c00179048ab02ae23d583 Patch
    Changed Reference Type https://talosintelligence.com/vulnerability_reports/TALOS-2023-1731 No Types Assigned https://talosintelligence.com/vulnerability_reports/TALOS-2023-1731 Exploit, Mitigation, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:sniproxy_project:sniproxy:0.6.0-2:*:*:*:*:*:*:* *cpe:2.3:a:sniproxy_project:sniproxy:0.6.1:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 30, 2023

    Action Type Old Value New Value
    Added Reference https://github.com/dlundquist/sniproxy/commit/f8d9a433fe22ab2fa15c00179048ab02ae23d583 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-25076 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-25076 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-67: String Format Overflow in syslog() String Format Overflow in syslog() CAPEC-92: Forced Integer Overflow Forced Integer Overflow CAPEC-100: Overflow Buffers Overflow Buffers
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.51 }} -0.02%

score

0.76414

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: