CVE-2018-4218
It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site that triggers an @generatorState use-after-free.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (8.96%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site that triggers an @generatorState use-after-free.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 8.96% probability · 95th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- apple/safari · apple/iphone os · apple/tvos · apple/watchos · apple/icloud · apple/itunes · canonical/ubuntu linux
- Source
- product-security@apple.com
References
- http://www.securitytracker.com/id/1041029Third Party Advisory, VDB Entry
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1553Exploit, Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/201808-04Third Party Advisory
- https://support.apple.com/HT208848Vendor Advisory
- https://support.apple.com/HT208850Vendor Advisory
- https://support.apple.com/HT208851Vendor Advisory
- https://support.apple.com/HT208852Vendor Advisory
- https://support.apple.com/HT208853Vendor Advisory
- https://support.apple.com/HT208854Vendor Advisory
- https://usn.ubuntu.com/3687-1/Third Party Advisory
- https://www.exploit-db.com/exploits/44861/Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041029Third Party Advisory, VDB Entry
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1553Exploit, Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/201808-04Third Party Advisory
- https://support.apple.com/HT208848Vendor Advisory
- https://support.apple.com/HT208850Vendor Advisory
- https://support.apple.com/HT208851Vendor Advisory
- https://support.apple.com/HT208852Vendor Advisory
- https://support.apple.com/HT208853Vendor Advisory
- https://support.apple.com/HT208854Vendor Advisory
- https://usn.ubuntu.com/3687-1/Third Party Advisory
- https://www.exploit-db.com/exploits/44861/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.