maddy up to 0.6.2 improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in maddy up to 0.6.2. The impacted element is an unknown function. Such manipulation leads to improper authentication. This vulnerability is traded as CVE-2023-27582. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in maddy up to 0.6.2 and classified as critical. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was shared 03/14/2023 as GHSA-4g76-w3xw-2x6w. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2023-27582 since 03/04/2023. There are neither technical details nor an exploit publicly available.

Upgrading to version 0.6.3 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 55a91a37b71210f34f98f4d327c30308fe24399a is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.7
VulDB Meta Temp Score: 8.6

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 9.1
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: maddy 0.6.3
Patch: 55a91a37b71210f34f98f4d327c30308fe24399a

Timelineinfo

03/04/2023 🔍
03/14/2023 +10 days 🔍
03/14/2023 +0 days 🔍
04/07/2023 +24 days 🔍

Sourcesinfo

Advisory: GHSA-4g76-w3xw-2x6w
Status: Confirmed

CVE: CVE-2023-27582 (🔍)
GCVE (CVE): GCVE-0-2023-27582
GCVE (VulDB): GCVE-100-222944

Entryinfo

Created: 03/14/2023 10:07
Updated: 04/07/2023 08:12
Changes: 03/14/2023 10:07 (52), 04/07/2023 08:12 (11)
Complete: 🔍
Cache ID: 216::103

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