CVE-2020-3840: Buffer Overflow
First published: Tue Jan 28 2020(Updated: )
IPSec. An off by one issue existed in the handling of racoon configuration files. This issue was addressed through improved bounds checking.
Credit: @littlelailo @littlelailo @littlelailo product-security@apple.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple tvOS | <13.3.1 | 13.3.1 |
| Apple iOS | <13.3.1 | 13.3.1 |
| Apple iPadOS | <13.3.1 | 13.3.1 |
| Apple macOS Catalina | <10.15.3 | 10.15.3 |
| Apple Mojave | ||
| Apple High Sierra | ||
| Apple iPadOS | <13.3.1 | |
| Apple iPhone OS | <13.3.1 | |
| Apple Mac OS X | <10.15.3 | |
| Apple tvOS | <13.3.1 |
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Reference Links
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2020-3877
- CVE-2019-11043
- CVE-2020-3857
- CVE-2020-3866
- CVE-2020-3848
- CVE-2020-3849
- CVE-2020-3850
- CVE-2020-3847
- CVE-2020-3835
- CVE-2020-3863
- CVE-2020-9774
- CVE-2020-3827
- CVE-2020-3826
- CVE-2020-3870
- CVE-2020-3878
- CVE-2020-3880
- CVE-2020-3845
- CVE-2020-3837
- CVE-2020-3851
- CVE-2020-3840
- CVE-2020-3875
- CVE-2020-3872
- CVE-2020-3853
- CVE-2020-3836
- CVE-2020-3842
- CVE-2020-3871
- CVE-2020-3846
- CVE-2020-3856
- CVE-2020-3829
- CVE-2020-3830
- CVE-2020-3854
- CVE-2019-18634
- CVE-2020-3855
- CVE-2020-3839
- CVE-2020-3843
- CVE-2020-3838
- CVE-2019-8836
- CVE-2020-3825
- CVE-2020-3868
- CVE-2020-3862
- CVE-2020-3867
- CVE-2020-3865
- CVE-2020-3864
- CVE-2020-3869
- CVE-2020-3858
- CVE-2020-3831
- CVE-2020-3860
- CVE-2020-3873
- CVE-2020-3859
- CVE-2020-3844
- CVE-2020-3828
- CVE-2020-3841
- CVE-2020-3874
Frequently Asked Questions
What is CVE-2020-3840?
CVE-2020-3840 is an off by one issue in the handling of racoon configuration files in IPSec.
How does CVE-2020-3840 affect Apple devices?
CVE-2020-3840 affects Apple devices running tvOS, iOS, iPadOS, macOS Catalina, Mojave, and High Sierra.
How can I fix CVE-2020-3840?
To fix CVE-2020-3840, update your Apple device to the latest available version.
Where can I find more information about CVE-2020-3840?
You can find more information about CVE-2020-3840 in the references provided by Apple.
- agent/type
- agent/softwarecombine
- agent/first-publish-date
- collector/apple-support
- agent/software-canonical-lookup-request
- collector/nvd-index
- agent/weakness
- agent/references
- agent/author
- agent/severity
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/tags
- agent/event
- agent/trending
- vendor/apple
- canonical/apple macos catalina
- canonical/apple mojave
- canonical/apple high sierra
- canonical/apple tvos
- canonical/apple ipados
- canonical/apple iphone os
- canonical/apple mac os x
- canonical/apple ios