VDB-7786 · EDB 24535 · SA52244

Alt-N MDaemon up to 13.0.3 WorldClient.dll Session improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.9$0-$5k0.02

A vulnerability classified as critical was found in Alt-N MDaemon up to 13.0.3 (Mail Server Software). This vulnerability affects some unknown functionality in the library WorldClient.dll. The manipulation of the argument Session as part of a Eingabe leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, and integrity.

The bug was discovered 07/25/2012. The weakness was released 02/20/2013 by Demetris Papapetrou with Qsecure as confirmed exploit (Website). The advisory is available at qsecure.com.cy. The public release was coordinated with the vendor. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

A public exploit has been developed by Demetris Papapetrou and been published 1 days after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 174 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 13.0.4 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (24535). Entries connected to this vulnerability are available at 7778, 7783, 7784 and 7785.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.5
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

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
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Demetris Papapetrou
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: MDaemon 13.0.4

Timelineinfo

07/25/2012 🔍
01/15/2013 +174 days 🔍
02/20/2013 +36 days 🔍
02/21/2013 +1 days 🔍
02/21/2013 +0 days 🔍
02/22/2013 +1 days 🔍
02/26/2013 +4 days 🔍
05/04/2018 +1893 days 🔍

Sourcesinfo

Vendor: altn.com

Advisory: qsecure.com.cy
Researcher: Demetris Papapetrou
Organization: Qsecure
Status: Confirmed
Coordinated: 🔍
Secunia: 52244 - MDaemon Multiple Vulnerabilities, Moderately Critical
OSVDB: 90508

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 02/22/2013 14:07
Updated: 05/04/2018 09:03
Changes: 02/22/2013 14:07 (61), 05/04/2018 09:03 (2)
Complete: 🔍

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