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CVE-2007-0843

4.6 · MEDIUM

The ReadDirectoryChangesW API function on Microsoft Windows 2000, XP, Server 2003, and Vista does not check permissions for child objects, which allows local users to bypass permissions by opening…

Published Feb 23, 2007microsoftCWE-264EPSS 3.39%

Overview

CVE-2007-0843 is a medium-severity vulnerability affecting microsoft windows_2000. It was published on February 23, 2007 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The ReadDirectoryChangesW API function on Microsoft Windows 2000, XP, Server 2003, and Vista does not check permissions for child objects, which allows local users to bypass permissions by opening a directory with LIST (READ) access and using ReadDirectoryChangesW to monitor changes of files that do not have LIST permissions, which can be leveraged to determine filenames, access times, and other sensitive information.

Remediation

Check the references section for vendor advisories and patches from microsoft. Update windows_2000 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Reflists.grok.org.uk/pipermail/full-disclosure/2007-February/052613.htmlRefosvdb.org/33474Refpacketstormsecurity.com/files/163755/Microsoft-Windows-Malicious-Software-Removal-Tool-Privilege-Escalation.htmlRefsecunia.com/advisories/24245Refsecurityreason.com/securityalert/2282Refsecurityvulns.com/advisories/readdirectorychanges.aspRefwww.securityfocus.com/archive/1/460887/100/0/threadedRefwww.securityfocus.com/archive/1/460899/100/0/threadedRefwww.securityfocus.com/bid/22664Refwww.vupen.com/english/advisories/2007/0701

How CyberStrike helps

Frequently asked questions

What is CVE-2007-0843?

CVE-2007-0843 is a medium-severity vulnerability affecting microsoft windows_2000. It was published on February 23, 2007 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

How severe is CVE-2007-0843?

This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2007-0843?

Check the references section for vendor advisories and patches from microsoft. Update windows_2000 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2007-0843?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2007-0843 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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