Buffer overflow in Apple Ios-1
CVE-2020-3843
A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.4.7, watchOS 5.3.7. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.036 (89.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.036 · newest: 0.036 · change: 0.000
Affected products
- Apple Ios-1 — versions unspecified
- Apple Iphone OS
- Apple watchOS
- Apple Watchos-1 — versions unspecified
Weakness classification (CWE)
References
- support.apple.com/HT211169 (Vendor Advisory)
- support.apple.com/HT211176 (Vendor Advisory)
- packetstormsecurity.com/files/162119/iOS-macOS-Radio-Proximity-Kernel-Memory-Co… (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-3843?
- CVE-2020-3843 is a high-severity vulnerability in Apple Ios-1, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2020-02-27.
- How severe is CVE-2020-3843?
- High severity. CVSS v3 base score is 8.8 out of 10.