Servant Salamander Buffer Overflow in 'unacev2.dll' Lets Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1016011
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SecurityTracker URL: http://securitytracker.com/id?1016011
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CVE Reference: CVE-2005-2856
(Links to External Site)
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Updated: Aug 15 2009
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Original Entry Date: Apr 28 2006
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Impact: Execution of arbitrary code via network, User access via network
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Fix Available: Yes
Vendor Confirmed: Yes
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Advisory: Secunia Research
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Version(s): 2.0, 2.5 Beta 11
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Description: A vulnerability was reported in Servant Salamander. A remote user can cause arbitrary code to be executed on the target system.
A remote user can create an ACE archive with a specially crafted filename that, when extracted by the target user, will trigger a
buffer overflow in 'unacev2.dll' and execute arbitrary code on the target system. The code will run with the privileges of the
target user.
The vendor was notified on April 27, 2006.
Tan Chew Keong of Secunia Research discovered this vulnerability.
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Impact: A remote user can cause arbitrary code to be executed on the target user's system.
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Solution: The vendor has issued a fixed version (2.5 RC 1).
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Vendor URL: www.altap.cz/salam_en/index.html (Links to External Site)
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Cause: Boundary error
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Underlying OS: Windows (Any)
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Reported By: Secunia Research <remove-vuln@secunia.com>
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Message History:
None.
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Source Message Contents
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Date: Fri, 28 Apr 2006 10:27:15 +0200
From: Secunia Research <remove-vuln@secunia.com>
Subject: Secunia Research: Servant Salamander unacev2.dll Buffer Overflow
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======================================================================
Secunia Research 28/04/2006
- Servant Salamander unacev2.dll 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
* Servant Salamander 2.0
* Servant Salamander 2.5 Beta 11
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 Servant Salamander,
which can be exploited by malicious people to compromise a user's
system.
The vulnerability is caused due to a boundary error in UNACEV2.DLL
when extracting an ACE archive containing a file with an overly long
filename. This can be exploited to cause a stack-based buffer
overflow when a user extracts a specially crafted ACE archive.
The vulnerability is related to:
SA16479
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4) Solution
The vulnerability has been fixed in version 2.5 RC 1.
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5) Time Table
27/04/2006 - Initial vendor notification.
27/04/2006 - Initial vendor reply.
28/04/2006 - Public disclosure.
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6) Credits
Discovered by Tan Chew Keong, Secunia Research.
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7) References
SA16479:
http://secunia.com/advisories/16479/
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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/2006-24/advisory/
Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/
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