CVE-2011-0228

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

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

References

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

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