Mcdu FSD 2.052 D9/3.000 D9 Help Function sysuser.cc sysuser::exechelp memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
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6.6 | $0-$5k | 0.00 |
A vulnerability classified as critical was found in Mcdu FSD 2.052 D9/3.000 D9. Affected by this vulnerability is the function sysuser::exechelp
of the file sysuser.cc of the component Help Function. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Multiple stack-based buffer overflows in FSD 2.052 d9 and earlier, and FSFDT FSD 3.000 d9 and earlier, allow (1) remote attackers to execute arbitrary code via a long HELP command on TCP port 3010 to the sysuser::exechelp function in sysuser.cc and (2) remote authenticated users to execute arbitrary code via long commands on TCP port 6809 to the servinterface::sendmulticast function in servinterface.cc, as demonstrated by a PIcallsign command.
The weakness was published 10/06/2007 by Luigi Auriemma (Website). It is possible to read the advisory at vupen.com. This vulnerability is known as CVE-2007-5256 since 10/06/2007. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.
It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the databases at Exploit-DB (4484), SecurityFocus (BID 25883†) and Secunia (SA27008†).
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
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CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 6.9
VulDB Base Score: 7.3
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
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Price Prediction: 🔍
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Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
10/01/2007 🔍10/02/2007 🔍
10/06/2007 🔍
10/06/2007 🔍
10/06/2007 🔍
03/16/2015 🔍
10/07/2024 🔍
Sources
Advisory: vupen.com⛔Researcher: Luigi Auriemma
Status: Not defined
CVE: CVE-2007-5256 (🔍)
SecurityFocus: 25883 - FSD Exechelp And Execmulticast Multiple Remote Buffer Overflow Vulnerabilities
Secunia: 27008 - FSD Two Buffer Overflow Vulnerabilities, Highly Critical
Vupen: ADV-2007-3334
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 03/16/2015 12:18 PMUpdated: 10/07/2024 02:25 PM
Changes: 03/16/2015 12:18 PM (53), 09/09/2018 11:45 AM (9), 10/07/2024 02:25 PM (19)
Complete: 🔍
Cache ID: 3:346:40
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