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
EPSS: 0.036 (88.2th percentile) — read the EPSS interpretation.
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.
Affected products
- Apple Ios-1 — versions unspecified
- Apple Iphone_os
- Apple Watchos
- Apple Watchos-1 — versions unspecified
Weakness classification (CWE)
References
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
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.