VulnerabilityModified
CVE-2015-5879
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.
MEDIUM 5.0EPSS 2.44%
Does this matter?
Lower severity and a low EPSS score (2.44%). Track it; it rarely justifies an emergency change on its own.
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 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 2.44% probability · 83th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- apple/iphone os · apple/mac os x
- Source
- product-security@apple.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.