9.8
CRITICAL
CVE-2023-27582
Maddy PLAIN Authentication Authorization Bypass
Description

maddy is a composable, all-in-one mail server. Starting with version 0.2.0 and prior to version 0.6.3, maddy allows a full authentication bypass if SASL authorization username is specified when using the PLAIN authentication mechanisms. Instead of validating the specified username, it is accepted as is after checking the credentials for the authentication username. maddy 0.6.3 includes the fix for the bug. There are no known workarounds.

INFO

Published Date :

March 13, 2023, 10:15 p.m.

Last Modified :

March 17, 2023, 4:20 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2023-27582 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 Maddy_project maddy
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-2023-27582.

URL Resource
https://github.com/foxcpp/maddy/commit/55a91a37b71210f34f98f4d327c30308fe24399a Patch
https://github.com/foxcpp/maddy/commit/9f58cb64b39cdc01928ec463bdb198c4c2313a9c Patch
https://github.com/foxcpp/maddy/releases/tag/v0.6.3 Release Notes
https://github.com/foxcpp/maddy/security/advisories/GHSA-4g76-w3xw-2x6w Patch Vendor Advisory

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).

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

The following list is the news that have been mention CVE-2023-27582 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-27582 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
  • Initial Analysis by [email protected]

    Mar. 17, 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/foxcpp/maddy/commit/55a91a37b71210f34f98f4d327c30308fe24399a No Types Assigned https://github.com/foxcpp/maddy/commit/55a91a37b71210f34f98f4d327c30308fe24399a Patch
    Changed Reference Type https://github.com/foxcpp/maddy/commit/9f58cb64b39cdc01928ec463bdb198c4c2313a9c No Types Assigned https://github.com/foxcpp/maddy/commit/9f58cb64b39cdc01928ec463bdb198c4c2313a9c Patch
    Changed Reference Type https://github.com/foxcpp/maddy/releases/tag/v0.6.3 No Types Assigned https://github.com/foxcpp/maddy/releases/tag/v0.6.3 Release Notes
    Changed Reference Type https://github.com/foxcpp/maddy/security/advisories/GHSA-4g76-w3xw-2x6w No Types Assigned https://github.com/foxcpp/maddy/security/advisories/GHSA-4g76-w3xw-2x6w Patch, Vendor Advisory
    Added CWE NIST CWE-287
    Added CPE Configuration OR *cpe:2.3:a:maddy_project:maddy:*:*:*:*:*:*:*:* versions from (including) 0.2.0 up to (excluding) 0.6.3
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.
Exploit Prediction

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

0.18 }} -0.00%

score

0.55708

percentile

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