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CVE-2013-3955

6.2 · MEDIUM

The get_xattrinfo function in the XNU kernel in Apple iOS 5.x and 6.x through 6.1.3 on iPad devices does not properly validate the header of an AppleDouble file, which might allow local users to ca…

Published Jun 5, 2013appleCWE-20EPSS 0.42%

Overview

CVE-2013-3955 is a medium-severity vulnerability affecting apple iphone_os. It was published on June 5, 2013 and has a CVSS 2.0 base score of 6.2 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.2, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The get_xattrinfo function in the XNU kernel in Apple iOS 5.x and 6.x through 6.1.3 on iPad devices does not properly validate the header of an AppleDouble file, which might allow local users to cause a denial of service (memory corruption) or have unspecified other impact via an invalid file on an msdosfs filesystem.

Remediation

Check the references section for vendor advisories and patches from apple. Update iphone_os 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

Refantid0te.com/syscan_2013/SyScan2013_Mountain_Lion_iOS_Vulnerabilities_Garage_Sale_Whitepaper.pdfReflists.apple.com/archives/security-announce/2013/Sep/msg00006.htmlRefsupport.apple.com/kb/HT5934Refwww.securitytracker.com/id/1029054Refwww.syscan.org/index.php/sg/program/day/2Refantid0te.com/syscan_2013/SyScan2013_Mountain_Lion_iOS_Vulnerabilities_Garage_Sale_Whitepaper.pdfReflists.apple.com/archives/security-announce/2013/Sep/msg00006.htmlRefsupport.apple.com/kb/HT5934Refwww.securitytracker.com/id/1029054Refwww.syscan.org/index.php/sg/program/day/2

How CyberStrike helps

Frequently asked questions

What is CVE-2013-3955?

CVE-2013-3955 is a medium-severity vulnerability affecting apple iphone_os. It was published on June 5, 2013 and has a CVSS 2.0 base score of 6.2 (MEDIUM).

How severe is CVE-2013-3955?

This vulnerability has a CVSS 2.0 base score of 6.2, 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-2013-3955?

Check the references section for vendor advisories and patches from apple. Update iphone_os 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-2013-3955?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-3955 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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