Secunia Research: Internet Download Manager FTP Buffer Overflow Vulnerability

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                 Secunia Research 30/04/2010

• Internet Download Manager FTP Buffer Overflow Vulnerability -

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Table of Contents

Affected Software…1
Severity…2
Vendor's Description of Software…3
Description of Vulnerability…4
Solution…5
Time Table…6
Credits…7
References…8
About Secunia…9
Verification…10

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1) Affected Software

• Internet Download Manager version 5.18

NOTE: Other versions may also be affected.

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2) Severity

Rating: Highly critical
Impact: System access
Where: Remote

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3) Vendor's Description of Software

"Internet Download Manager (IDM) is a tool to increase download speeds
by up to 5 times, resume and schedule downloads. Comprehensive error
recovery and resume capability will restart broken or interrupted
downloads due to lost connections, network problems, computer
shutdowns, or unexpected power outages.".

Product Link:
http://www.internetdownloadmanager.com/

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4) Description of Vulnerability

Secunia Research has discovered a vulnerability in Internet Download
Manager, which can be exploited by malicious people to compromise a
user's system.

The vulnerability is caused by a boundary error when sending certain
test sequences to an FTP server. This can be exploited to cause a
stack-based buffer overflow by e.g. tricking a user into downloading
a file from a specially crafted FTP URI.

Successful exploitation allows execution of arbitrary code.

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5) Solution

Update to version 5.19.

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6) Time Table

16/04/2010 - Vendor notified.
22/04/2010 - Vendor response.
27/04/2010 - Vendor releases fixed version.
30/04/2010 - Public disclosure.

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7) Credits

Discovered by Stefan Cornelius, Secunia Research.

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8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2010-0995 for the vulnerability.

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9) About Secunia

Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:

http://secunia.com/advisories/business_solutions/

Secunia also provides a publicly accessible and comprehensive advisory
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http://secunia.com/advisories/

Secunia believes that it is important to support the community and to
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security and reliability of software in general:

http://secunia.com/secunia_research/

Secunia regularly hires new skilled team members. Check the URL below
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http://secunia.com/corporate/jobs/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/advisories/mailing_lists/

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10) Verification

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2010-62/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

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