CVE-2020-3840
Last modified
CVE-2020-3840 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An off by one issue existed in the handling of racoon configuration files. This issue was addressed through improved bounds checking. EPSS estimates a 1.14% chance of exploitation in the next 30 days.
Description
An off by one issue existed in the handling of racoon configuration files. This issue was addressed through improved bounds checking. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1. Loading a maliciously crafted racoon configuration file may lead to arbitrary code execution.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 13.3.1 |
| Apple | Iphone Os | < 13.3.1 |
| Apple | Mac Os X | < 10.15.3 |
| Apple | Tvos | < 13.3.1 |
References
- https://support.apple.com/HT210918Release Notes, Vendor Advisory
- https://support.apple.com/HT210919Release Notes, Vendor Advisory
- https://support.apple.com/HT210920Release Notes, Vendor Advisory
- https://support.apple.com/HT210918Release Notes, Vendor Advisory
- https://support.apple.com/HT210919Release Notes, Vendor Advisory
- https://support.apple.com/HT210920Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-3840?
How severe is CVE-2020-3840?
How do I fix CVE-2020-3840?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2020
- CVE-2020-3834A memory corruption issue was addressed with improved state …7.8
- CVE-2020-3835A validation issue existed in the handling of symlinks. This…4.4
- CVE-2020-3836An access issue was addressed with improved memory managemen…5.5
- CVE-2020-3837A memory corruption issue was addressed with improved memory…7.8
- CVE-2020-3838The issue was addressed with improved permissions logic. Thi…7.8
- CVE-2020-3839A validation issue was addressed with improved input sanitiz…5.5
- CVE-2020-3841The issue was addressed with improved UI handling. This issu…6.5
- CVE-2020-3842A memory corruption issue was addressed with improved memory…7.8
- CVE-2020-3843A memory corruption issue was addressed with improved input …8.8
- CVE-2020-3844This issue was addressed with improved checks. This issue is…3.3
- CVE-2020-3845A memory corruption issue was addressed with improved memory…7.8
- CVE-2020-3846A buffer overflow was addressed with improved size validatio…8.8
Are you affected by CVE-2020-3840?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
