Vulnerability Description
XNU in the kernel in Apple iOS before 9 does not properly validate the headers of TCP packets, which allows remote attackers to bypass the sequence-number protection mechanism and cause a denial of service (TCP connection disruption) via a crafted header.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Iphone Os | <= 8.4.1 |
| Apple | Mac Os X | <= 10.10.5 |
Related Weaknesses (CWE)
References
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.htmlVendor Advisory
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.htmlVendor Advisory
- http://www.securityfocus.com/bid/76764
- http://www.securitytracker.com/id/1033609
- https://support.apple.com/HT205212Vendor Advisory
- https://support.apple.com/HT205267Vendor Advisory
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.htmlVendor Advisory
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.htmlVendor Advisory
- http://www.securityfocus.com/bid/76764
- http://www.securitytracker.com/id/1033609
- https://support.apple.com/HT205212Vendor Advisory
- https://support.apple.com/HT205267Vendor Advisory
FAQ
What is CVE-2015-5879?
CVE-2015-5879 is a vulnerability with a CVSS score of 5.0 (MEDIUM). XNU in the kernel in Apple iOS before 9 does not properly validate the headers of TCP packets, which allows remote attackers to bypass the sequence-number protection mechanism and cause a denial of se...
How severe is CVE-2015-5879?
CVE-2015-5879 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-5879?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Iphone Os, Apple Mac Os X.