Alt-N MDaemon up to 13.0.3 Free-Busy Schedule FBData.vfb information disclosure
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.8 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, was found in Alt-N MDaemon up to 13.0.3 (Mail Server Software). Affected is an unknown code of the file FBData.vfb of the component Free-Busy Schedule. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality.
The bug was discovered 09/14/2012. The weakness was presented 02/20/2013 by Gynvael Coldwind and Mateusz Jurczyk with Qsecure as confirmed advisory (Website). The advisory is shared for download at qsecure.com.cy. The public release was coordinated in cooperation with the vendor. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1592.
A public exploit has been developed by QSecure / Demetris Papapetrou and been published even before and not after the advisory. The exploit is shared for download at qsecure.com.cy. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 123 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). See 7778, 7783, 7784 and 7785 for similar entries.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 4.8
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: QSecure / Demetris Papapetrou
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: MDaemon 13.0.4
Timeline
09/14/2012 🔍01/15/2013 🔍
02/18/2013 🔍
02/20/2013 🔍
02/21/2013 🔍
02/22/2013 🔍
02/26/2013 🔍
05/04/2018 🔍
Sources
Vendor: altn.comAdvisory: qsecure.com.cy
Researcher: Gynvael Coldwind, Mateusz Jurczyk
Organization: Qsecure
Status: Confirmed
Coordinated: 🔍
Secunia: 52244 - MDaemon Multiple Vulnerabilities, Moderately Critical
OSVDB: 90510
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 02/22/2013 14:38Updated: 05/04/2018 09:03
Changes: 02/22/2013 14:38 (58), 05/04/2018 09:03 (3)
Complete: 🔍
Committer:
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