Vulnerability Description
The WebDAV extension in Microsoft Internet Information Services (IIS) 5.1 and 6.0 allows remote attackers to bypass URI-based protection mechanisms, and list folders or read, create, or modify files, via a %c0%af (Unicode / character) at an arbitrary position in the URI, as demonstrated by inserting %c0%af into a "/protected/" initial pathname component to bypass the password protection on the protected\ folder, aka "IIS 5.1 and 6.0 WebDAV Authentication Bypass Vulnerability," a different vulnerability than CVE-2009-1122.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Internet Information Services | 5.1 |
| Microsoft | Windows Xp | - |
| Microsoft | Windows Server 2003 | - |
Related Weaknesses (CWE)
References
- http://archives.neohapsis.com/archives/fulldisclosure/2009-05/0135.htmlBroken Link
- http://archives.neohapsis.com/archives/fulldisclosure/2009-05/0139.htmlBroken Link
- http://archives.neohapsis.com/archives/fulldisclosure/2009-05/0144.htmlBroken Link
- http://archives.neohapsis.com/archives/fulldisclosure/2009-05/att-0135/IIS_AdvisBroken Link
- http://blog.zoller.lu/2009/05/iis-6-webdac-auth-bypass-and-data.htmlThird Party Advisory
- http://isc.sans.org/diary.html?n&storyid=6397Third Party Advisory
- http://view.samurajdata.se/psview.php?id=023287d6&page=1Broken Link
- http://www.attrition.org/pipermail/vim/2009-June/002192.htmlThird Party Advisory
- http://www.us-cert.gov/cas/techalerts/TA09-160A.htmlThird Party AdvisoryUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-02PatchVendor Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Third Party Advisory
- http://archives.neohapsis.com/archives/fulldisclosure/2009-05/0135.htmlBroken Link
- http://archives.neohapsis.com/archives/fulldisclosure/2009-05/0139.htmlBroken Link
- http://archives.neohapsis.com/archives/fulldisclosure/2009-05/0144.htmlBroken Link
- http://archives.neohapsis.com/archives/fulldisclosure/2009-05/att-0135/IIS_AdvisBroken Link
FAQ
What is CVE-2009-1535?
CVE-2009-1535 is a vulnerability with a CVSS score of 7.5 (HIGH). The WebDAV extension in Microsoft Internet Information Services (IIS) 5.1 and 6.0 allows remote attackers to bypass URI-based protection mechanisms, and list folders or read, create, or modify files, ...
How severe is CVE-2009-1535?
CVE-2009-1535 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-1535?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Internet Information Services, Microsoft Windows Xp, Microsoft Windows Server 2003.