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Vulnerability Alert

Adobe Download Manager Remote Arbitrary Code Execution Vulnerability

 
Threat Type:CWE-94: Code Injection
IntelliShield ID:19979
Version:4
First Published:2010 February 19 22:59 GMT
Last Published:2010 February 26 15:07 GMT
Port: Not available
CVE:CVE-2010-0189
BugTraq ID:38313
Urgency:Unlikely Use
Credibility:Confirmed
Severity:Moderate Damage
CVSS Base:9.3 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:6.9
 
 
Version Summary:

Adobe has re-released a security advisory with updated information to address the Adobe Download Manager remote arbitrary code execution vulnerability.

 
 
Description

Adobe Download Manager contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code with the privileges of the user.

The vulnerability is due to a logic error in the affected application.  An unauthenticated, remote attacker could exploit this vulnerability by creating a malicious web page and luring a targeted user into visiting it. This could cause the affected application to download arbitrary files and execute the files without the user's permission.  An exploit could allow an attacker to execute arbitrary code with the privileges of the user.

Adobe has confirmed this vulnerability and  released updated software.

 
Warning Indicators

Adobe Download Manager versions prior to 1.6.2.60 are vulnerable on the Windows platform.

 
IntelliShield Analysis

Adobe Download Manager is used to automatically update Adobe products.  

In order to exploit this vulnerability, an attacker will need to lure a targeted user into visiting a malicious website.  This will typically require the use of social engineering tactics. The attacker may send a link to the site via e-mail, instant messaging, or through other forms of communication.

According to Adobe, the Download Manager is designed for single use only and should automatically be removed from a system after the next reboot.  Users are at risk only during the time in which the download manager remains on a system.

 
Vendor Announcements

Adobe has re-released a security advisory at the following link: APSB10-08

 
Impact

An unauthenticated, remote attacker could exploit this vulnerability to cause the affected application to download and execute an arbitrary file.? An exploit could allow the attacker to execute arbitrary code with the privileges of the user.? If the user has administrative privileges, an exploit could result in a full system compromise.

 
Technical Information

The vulnerability exists due to a logic error in the code that validates the domain from which a file is being downloaded.  The affected application assumes that the domain is always a subdomain; however, this assumption can cause an invalid domain to appear as valid when comparing the valid domain with the requested domain.  An unauthenticated, remote attacker can exploit this vulnerability by creating a malicious web page designed to bypass the domain check.  By luring a targeted user into visiting this web page, the attacker can cause an arbitrary file to be downloaded to the user's machine and then executed, resulting in arbitrary code execution with the privileges of the user.

 
Safeguards

Administrators are advised to follow the vendor-supplied instructions to ensure that a vulnerable version of the affected product does not exist on their systems.

Users are advised not to open e-mail messages from suspicious or unrecognized sources.? If users cannot verify that links or attachments included in e-mail messages are safe, they are advised not to open them.

Users should verify that unsolicited links are safe to follow.

 
Patches/Software

Adobe has released version 1.6.2.63 of Adobe Download Manager that corrects this vulnerability.  Administrators are advised to remove older versions from vulnerable systems by following the instructions provided in the vendor advisory.

 
Alert History
 

Version 3, February 24, 2010, 5:52 PM: Additional technical information is available to describe the Adobe Download Manager remote arbitrary code execution vulnerability.

Version 2, February 23, 2010, 5:47 PM:  Adobe has released a security advisory and updated software to address the Adobe Download Manager remote arbitrary code execution vulnerability.

Version 1, February 19, 2010, 5:59 PM: Adobe Download Manager contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code.  Updates are not available.



Product Sets
 
The security vulnerability applies to the following combinations of products.

Primary Products:
AdobeAdobe Download Manager 1.6 .2.60

Associated Products:
N/A




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