Vulnerability in Apple iOS
CVE-2019-8568
A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1. A local user may be able to modify protected parts of the file system.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (26.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Apple iOS — versions unspecified
- Apple Iphone OS
- Apple macOS — versions unspecified
- Apple Mac OS X
- Apple tvOS — versions unspecified
- Apple watchOS — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.apple.com/HT210118 (Vendor Advisory)
- support.apple.com/HT210119 (Vendor Advisory)
- support.apple.com/HT210120 (Vendor Advisory)
- support.apple.com/HT210122 (Vendor Advisory)
Frequently asked questions
- What is CVE-2019-8568?
- CVE-2019-8568 is a medium-severity vulnerability in Apple iOS, classified under Improper Link Resolution Before File Access. CVSS score: 5.5/10. Published 2019-12-18.
- How severe is CVE-2019-8568?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2019-8568 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.