CVE-2015-1091

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-04-10 · updated 2026-06-17
Weakness: CWE-200

Description

The CFNetwork Session component in Apple iOS before 8.3 and Apple OS X before 10.10.3 does not properly handle request headers during processing of redirects in HTTP responses, which allows remote attackers to bypass the Same Origin Policy via a crafted web site.

Affected products

Apple Iphone Os: through 8.2
macOS: through 10.10.2

References

http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html
http://lists.apple.com/archives/security-announce/2015/Apr/msg00002.html
http://www.securityfocus.com/bid/73984
http://www.securitytracker.com/id/1032048
https://support.apple.com/HT204659
https://support.apple.com/HT204661
http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html
http://lists.apple.com/archives/security-announce/2015/Apr/msg00002.html
http://www.securityfocus.com/bid/73984
http://www.securitytracker.com/id/1032048
https://support.apple.com/HT204659
https://support.apple.com/HT204661

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