CVE-2013-3955

Public Exploit

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.

Category

6.2
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.19%
Vendor Advisory apple.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.syscan.org/index.php/sg/program/day/2
http://www.securitytracker.com/id/1029054 vdb entry
http://antid0te.com/syscan_2013/SyScan2013_Mountain_Lion_iOS_Vulnerabilities_Garage_Sale_Whitepaper.pdf exploit
http://support.apple.com/kb/HT5934
http://lists.apple.com/archives/security-announce/2013/Sep/msg00006.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2013-3955?
CVE-2013-3955 has been scored as a medium severity vulnerability.
How to fix CVE-2013-3955?
To fix CVE-2013-3955, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-3955 being actively exploited in the wild?
It is possible that CVE-2013-3955 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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