CVE-2020-9843: Input Validation
First published: Mon May 18 2020(Updated: )
An input validation issue was addressed with improved input validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, tvOS 13.4.5, watchOS 6.2.5, Safari 13.1.1, iTunes 12.10.7 for Windows, iCloud for Windows 11.2, iCloud for Windows 7.19. Processing maliciously crafted web content may lead to a cross site scripting attack.
Credit: Ryan Pickren (ryanpickren.com) Ryan Pickren (ryanpickren.com) Ryan Pickren (ryanpickren.com) Ryan Pickren (ryanpickren.com) Ryan Pickren (ryanpickren.com) Ryan Pickren (ryanpickren.com) Ryan Pickren (ryanpickren.com) product-security@apple.com product-security@apple.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple iCloud for Windows | <11.2 | 11.2 |
| Apple iCloud for Windows | <7.19 | 7.19 |
| Apple Safari | <13.1.1 | 13.1.1 |
| Apple iTunes for Windows | <12.10.7 | 12.10.7 |
| Apple watchOS | <6.2.5 | 6.2.5 |
| Apple tvOS | <13.4.5 | 13.4.5 |
| Apple iOS | <13.5 | 13.5 |
| Apple iPadOS | <13.5 | 13.5 |
| redhat/webkitgtk | <2.28.3 | 2.28.3 |
| Apple Icloud Windows | <7.19 | |
| Apple Icloud Windows | >=11.0<11.2 | |
| Apple Itunes Windows | <12.10.7 | |
| Apple Safari | <13.1.1 | |
| Apple iPadOS | <13.5 | |
| Apple iPhone OS | <13.5 | |
| Apple tvOS | <13.4.5 | |
| Apple watchOS | <6.2.5 | |
| debian/webkit2gtk | 2.44.2-1~deb11u1 2.44.3-1~deb11u1 2.44.2-1~deb12u1 2.44.3-1~deb12u1 2.44.4-1 | |
| debian/wpewebkit | 2.38.6-1~deb11u1 2.38.6-1 2.44.4-1 |
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Reference Links
- https://support.apple.com/en-us/HT211179 (Advisory)
- https://support.apple.com/en-us/HT211181 (Advisory)
- https://support.apple.com/en-us/HT211177 (Advisory)
- https://support.apple.com/en-us/HT211178 (Advisory)
- https://support.apple.com/HT211168
- https://support.apple.com/HT211171
- https://support.apple.com/HT211175
- https://support.apple.com/HT211177
- https://support.apple.com/HT211178
- https://support.apple.com/HT211179
- https://support.apple.com/HT211181
- https://launchpad.net/bugs/cve/CVE-2020-9843
- https://support.apple.com/en-us/HT211175 (Advisory)
- https://support.apple.com/en-us/HT211171 (Advisory)
- https://support.apple.com/en-us/HT211168 (Advisory)
- https://webkitgtk.org/security/WSA-2020-0006.html
- https://access.redhat.com/errata/RHSA-2020:4451
- https://access.redhat.com/security/cve/cve-2020-9843
- https://bugzilla.redhat.com/show_bug.cgi?id=1879566
- https://security-tracker.debian.org/tracker/CVE-2020-9843
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9843
- https://nvd.nist.gov/vuln/detail/CVE-2020-9843
- https://ubuntu.com/security/CVE-2020-9843
Parent vulnerabilities
(Appears in the following advisories)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2020-9789
- CVE-2020-9790
- CVE-2020-3878
- CVE-2020-9794
- CVE-2020-9802
- CVE-2020-9805
- CVE-2020-9800
- CVE-2020-9806
- CVE-2020-9807
- CVE-2020-9850
- CVE-2020-9843
- CVE-2020-9803
- CVE-2020-9801
- CVE-2019-20503
- CVE-2020-9827
- CVE-2020-9842
- CVE-2020-9815
- CVE-2020-9791
- CVE-2020-9829
- CVE-2020-9816
- CVE-2020-9821
- CVE-2020-9797
- CVE-2020-9852
- CVE-2020-9795
- CVE-2020-9808
- CVE-2020-9811
- CVE-2020-9812
- CVE-2020-9813
- CVE-2020-9814
- CVE-2020-9809
- CVE-2020-9994
- CVE-2020-9819
- CVE-2020-9818
- CVE-2014-9512
- CVE-2020-9839
- CVE-2020-9837
- CVE-2020-9854
- CVE-2020-9826
- CVE-2020-6616
- CVE-2020-9838
- CVE-2020-9835
- CVE-2020-9820
- CVE-2020-9823
- CVE-2020-9848
- CVE-2020-9825
- CVE-2020-9792
- CVE-2020-9844
- CVE-2020-9830
Frequently Asked Questions
What is CVE-2020-9843?
CVE-2020-9843 is a vulnerability in WebKit that allows for an input validation issue.
What is the severity of CVE-2020-9843?
The severity of CVE-2020-9843 is not specified.
Which software versions are affected by CVE-2020-9843?
CVE-2020-9843 affects Apple Safari 13.1.1, Apple iOS up to 13.5, Apple iPadOS up to 13.5, Apple watchOS up to 6.2.5, Apple tvOS up to 13.4.5, Apple iTunes for Windows up to 12.10.7, and Apple iCloud for Windows up to 11.2.
How do I fix CVE-2020-9843?
To fix CVE-2020-9843, update to Apple Safari 13.1.1 or the latest versions of Apple iOS, iPadOS, watchOS, tvOS, iTunes for Windows, and iCloud for Windows.
Where can I find more information about CVE-2020-9843?
You can find more information about CVE-2020-9843 on the following references: [Reference 1](https://support.apple.com/en-us/HT211175), [Reference 2](https://support.apple.com/en-us/HT211168), [Reference 3](https://support.apple.com/en-us/HT211171).
- collector/apple-support
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/software-canonical-lookup-request
- agent/severity
- agent/weakness
- agent/author
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2020-9843
- agent/software-canonical-lookup
- agent/description
- agent/references
- collector/nvd-cve
- source/NVD
- collector/nvd-index
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/tags
- agent/event
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- collector/usn-cve
- source/Ubuntu
- vendor/apple
- canonical/apple icloud for windows
- canonical/apple safari
- canonical/apple itunes for windows
- canonical/apple watchos
- canonical/apple tvos
- canonical/apple ios
- canonical/apple ipados
- package-manager/redhat
- canonical/apple icloud windows
- version/apple icloud windows/11.0
- canonical/apple itunes windows
- canonical/apple iphone os
- package-manager/debian