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Secunia Advisory SA9036

NGC Active FTPServer Multiple Command Buffer Overflows
Secunia Advisory SA9036
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Release Date 2003-06-16
   
Popularity 7,007 views
Comments 0 comments

Criticality level Highly criticalHighly critical
Impact DoS
System access
Where From remote
Authentication level Available in Customer Area
   
Report reliability Available in Customer Area
Solution Status Unpatched
   
Systems affected Available in Customer Area
Approve distribution Available in Customer Area
Remediation status Secunia VIM
   
Software:
NGC Active FTPServer 2002

Secunia CVSS Score Available in Customer Area
CVE Reference(s) No CVE references.

  

Description

Multiple vulnerabilities have been reported in NGC Active FTPServer, which can be exploited by malicious people to cause a DoS (Denial of Service) on a vulnerable system or potentially compromise it.

The vulnerabilities are caused due to boundary errors when handling input for various commands. A malicious person can reportedly exploit this to cause a buffer overflow by supplying more than 25001 bytes of input to the "USER" command. This will cause the FTP server to crash and may potentially allow execution of arbitrary code.

Malicious, authenticated users can also exploit the following commands to cause buffer overflows:
- CWD
- LS
- GET
- MKDIR

The vulnerabilities have been reported in version 2.40. However, prior versions may also be affected.


Solution
Reportedly, the vendor states that the vulnerabilities will be fixed in the next version (2003), which will be released in August.
Further details available in Customer Area

Provided and/or discovered by
Ziv Kamir

Deep Links
Links available in Customer Area


Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: NGC Active FTPServer Multiple Command Buffer Overflows
 
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