Microsoft Exchange 5.5 OWA Vulnerability
Qualys® Vulnerability R&D Lab has released new vulnerability checks in the Qualys Cloud Platform to protect organizations against 1 vulnerability that were fixed in 1 bulletins announced today by Microsoft. 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.
Microsoft has released 1 security bulletins to fix newly discovered flaws in their software. Qualys has released the following checks for these new vulnerabilities:
Microsoft Exchange Server 5.5 Outlook Web Access XSS and Spoofing Vulnerability (MS04-026)
- Critical 4
- Qualys ID
- Vendor Reference
- CVE Reference
- CVSS Scores
- Base 6.8 / Temporal 4.5
- A cross-site scripting and spoofing vulnerability exists in Outlook Web Access for Exchange Server 5.5 that could allow an attacker to convince a user to run a malicious script.
- An attacker who successfully exploits this vulnerability could manipulate Web browser caches and intermediate proxy server caches, and put spoofed content in those caches. An attacker may also be able to exploit the vulnerability to perform cross-site scripting attacks.
Following are links for downloading patches to fix the vulnerabilities:
Refer to Microsoft Security Bulletin MS04-026 for further details.
These new vulnerability checks are included in Qualys vulnerability signature 1.8.97-4. 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:
- Ensure access to TCP ports 135 and 139 are available.
- Enable Windows Authentication (specify Authentication Records).
Enable the following Qualys IDs:
- If you would like the scan to return the Windows Hostname, also include QID 82044 and ensure access to UDP port 137 is available.
- 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.
Access for Qualys Customers
For more information, customers may contact Qualys Technical Support.
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.