Secunia Research: Abakt ZIP File Handling Buffer OverflowVulnerability May 15 2006 03:51PM
Secunia Research (remove-vuln secunia com)
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Secunia Research 15/05/2006

- Abakt ZIP File Handling Buffer Overflow Vulnerability -

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Table of Contents

Affected Software....................................................1
Severity.............................................................2
Description of Vulnerability.........................................3
Solution.............................................................4
Time Table...........................................................5
Credits..............................................................6
References...........................................................7
About Secunia........................................................8
Verification.........................................................9

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1) Affected Software

* Abakt version 0.9.2 and 0.9.3-beta1

Prior versions may also be affected.

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2) Severity

Rating: Moderately Critical
Impact: System Access
Where: Remote

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3) Description of Vulnerability

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

The vulnerability is caused due to a boundary error when listing the
contents of a ZIP archive. This can be exploited to cause a
stack-based buffer overflow when a malicious ZIP archive containing
a file with an overly long filename is opened.

The vulnerability is related to:
SA19945

Successful exploitation allows execution of arbitrary code but
requires that the user is e.g. tricked into opening a malicious ZIP
archive from within the "Restore Zip Archive" functionality.

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4) Solution

The vulnerability has been fixed in 0.9.3-RC1.

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5) Time Table

12/05/2006 - Initial vendor notification.
15/05/2006 - Initial vendor reply.
15/05/2006 - Public disclosure.

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6) Credits

Discovered by Tan Chew Keong, Secunia Research.

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7) References

SA19945:
http://secunia.com/advisories/19945/

The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2006-2161 for the vulnerability.

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8) About Secunia

Secunia collects, validates, assesses, and writes advisories regarding
all the latest software vulnerabilities disclosed to the public. These
advisories are gathered in a publicly available database at the
Secunia website:

http://secunia.com/

Secunia offers services to our customers enabling them to receive all
relevant vulnerability information to their specific system
configuration.

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/secunia_security_advisories/

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9) Verification

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2006-31/advisory/

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

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