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CVE-2010-0255

4.3 · MEDIUM

Microsoft Internet Explorer 5.01 SP4, 6, 6 SP1, 7, and 8 does not prevent rendering of non-HTML local files as HTML documents, which allows remote attackers to bypass intended access restrictions a…

Published Feb 4, 2010microsoftCWE-264EPSS 36.92%

Overview

CVE-2010-0255 is a medium-severity vulnerability affecting microsoft internet_explorer. It was published on February 4, 2010 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Microsoft Internet Explorer 5.01 SP4, 6, 6 SP1, 7, and 8 does not prevent rendering of non-HTML local files as HTML documents, which allows remote attackers to bypass intended access restrictions and read arbitrary files via vectors involving JavaScript exploit code that constructs a reference to a file://127.0.0.1 URL, aka the dynamic OBJECT tag vulnerability, as demonstrated by obtaining the data from an index.dat file, a variant of CVE-2009-1140 and related to CVE-2008-1448.

Remediation

Check the references section for vendor advisories and patches from microsoft. Update internet_explorer 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

Refblogs.technet.com/msrc/archive/2010/02/03/security-advisory-980088-released.aspxRefisc.sans.org/diary.html?n&storyid=8152Refosvdb.org/62156Refsupport.avaya.com/css/P8/documents/100089747Refwww.coresecurity.com/content/internet-explorer-dynamic-object-tagRefwww.microsoft.com/technet/security/advisory/980088.mspxRefwww.securityfocus.com/archive/1/509345/100/0/threadedRefwww.securityfocus.com/bid/38055Refwww.securityfocus.com/bid/38056Refwww.us-cert.gov/cas/techalerts/TA10-159B.html

How CyberStrike helps

Frequently asked questions

What is CVE-2010-0255?

CVE-2010-0255 is a medium-severity vulnerability affecting microsoft internet_explorer. It was published on February 4, 2010 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2010-0255?

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2010-0255?

Check the references section for vendor advisories and patches from microsoft. Update internet_explorer 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-2010-0255?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2010-0255 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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