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Adobe Security Bulletin: October 8

Advisory Overview

Qualys® Vulnerability R&D Lab has released new vulnerability checks in the Qualys Cloud Platform to protect organizations against 2 vulnerabilities that were fixed in 2 bulletins announced today by Adobe. Customers can immediately audit their networks for these and other new vulnerabilities by accessing their Qualys subscription. Visit our blog to see how to prioritize remediation.

Non-Qualys customers can audit their network for these and other vulnerabilities by signing up for a Qualys Free Trial, or by trying our FreeScan service.

Vulnerability Details

Adobe has released 2 security bulletins to fix newly discovered flaws in their software. Qualys has released the following checks for these new vulnerabilities:

  • Adobe RoboHelp Unspecified Code Execution Vulnerability (APSB13-24)

    Severity
    Critical 4
    Qualys ID
    121501
    Vendor Reference
    APSB13-24
    CVE Reference
    CVE-2013-5327
    CVSS Scores
    Base 10 / Temporal 7.4
    Description
    RoboHelp is a help authoring tool.

    Adobe RoboHelp is prone to an unspecified code execution vulnerability.

    Affected Versions:
    RoboHelp 10 for Windows

    Consequence
    If this vulnerability is successfully exploited, an attacker could run malicious code on the affected system.
    Solution
    Adobe has released an update to resolve this issue.
    Refer to Adobe Security Bulletin APSB13-24 to obtain additional details regarding this vulnerability.

    Patches:
    The following are links for downloading patches to fix these vulnerabilities:
    APSB13-24 Windows (RoboHelp)

  • Adobe Reader and Acrobat JavaScript URI Scheme Security Bypass (APSB13-25)

    Severity
    Serious 3
    Qualys ID
    121500
    Vendor Reference
    APSB13-25
    CVE Reference
    CVE-2013-5325
    CVSS Scores
    Base 9.3 / Temporal 6.9
    Description
    Adobe Reader and Acrobat are applications for handling PDF files.

    Adobe Reader and Adobe Acrobat are vulnerable to a JavaScript URI Scheme Security Bypass.
    This can be exploited by malicious people to bypass JavaScript security controls due to a regression related issue.

    APSB13-25 addresses a regression that occurred in version 11.0.04 affecting JavaScript security controls.

    Affected Software:
    Adobe Reader XI version 11.0.04 for Windows.
    Adobe Acrobat XI version 11.0.04 for Windows.

    Consequence
    An attacker could send a crafted PDF file that bypasses the JavaScript security controls when the PDF is viewed in a browser.
    Solution
    Windows users can use the Adobe product's update mechanism. The default configuration is set to run automatic update checks on a regular schedule. Update checks can be manually activated by choosing Help > Check for Updates.

    Refer to APSB13-25 for more information.

    Patches:
    The following are links for downloading patches to fix these vulnerabilities:
    APSB13-25 Adobe Acrobat - Windows
    APSB13-25 Adobe Reader - Windows

These new vulnerability checks are included in Qualys vulnerability signature 2.2.548-3. Each Qualys account is automatically updated with the latest vulnerability signatures as they become available. To view the vulnerability signature version in your account, from the Qualys Help menu, select the About tab.

Selective Scan Instructions Using Qualys

To perform a selective vulnerability scan, configure a scan profile to use the following options:

  1. Ensure access to TCP ports 135 and 139 are available.
  2. Enable Windows Authentication (specify Authentication Records).
  3. Enable the following Qualys IDs:
    • 121501
    • 121500
  4. If you would like the scan to return the Windows Hostname, also include QID 82044 and ensure access to UDP port 137 is available.
  5. If you would like to be notified if Qualys is unable to log on to a host (if Authentication fails), also include QID 105015.

In addition, prior to running a scan for these new vulnerabilities, you can estimate your exposure to these new threats by running the Risk Analysis Report, available from the Qualys Vulnerability Management Reports tab.

Technical Support

For more information, customers may contact Qualys Technical Support.

About Qualys

The Qualys Cloud Platform and its integrated suite of security and compliance applications provides organizations of all sizes with a global view of their security and compliance solutions, while drastically reducing their total cost of ownership. Qualys solutions include: continuous monitoring, vulnerability management, policy compliance, PCI compliance, security assessment questionnaire, web application scanning, web application firewall, malware detection and SECURE Seal for security testing of web sites.

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