CVE-2011-0228

Description

The Data Security component in Apple iOS before 4.2.10 and 4.3.x before 4.3.5 does not check the basicConstraints parameter during validation of X.509 certificate chains, which allows man-in-the-middle attackers to spoof an SSL server by using a non-CA certificate to sign a certificate for an arbitrary domain.

Category

7.5
CVSS
Severity: High
CVSS 2.0 •
EPSS 13.70% Top 10%
Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory secunia.com Vendor Advisory apple.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.apple.com/archives/security-announce/2011//Jul/msg00005.html vendor advisory
https://www.trustwave.com/spiderlabs/advisories/TWSL2011-007.txt
http://www.securityfocus.com/bid/48877 vdb entry
http://support.apple.com/kb/HT4824
http://secunia.com/advisories/45369 third party advisory vendor advisory
http://www.securityfocus.com/archive/1/518982/100/0/threaded mailing list
http://lists.apple.com/archives/security-announce/2011//Jul/msg00004.html vendor advisory
http://support.apple.com/kb/HT4825 vendor advisory
http://securityreason.com/securityalert/8361 third party advisory
http://securitytracker.com/id?1025837 vdb entry

Frequently Asked Questions

What is the severity of CVE-2011-0228?
CVE-2011-0228 has been scored as a high severity vulnerability.
How to fix CVE-2011-0228?
To fix CVE-2011-0228, 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-2011-0228 being actively exploited in the wild?
It is possible that CVE-2011-0228 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~14% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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