CVE-2020-3910: Buffer Overflow

Published Mar 24, 2020
·
Updated

libxml2. A buffer overflow was addressed with improved size validation.

Other sources

A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 13.4 and iPadOS 13.4, macOS Catalina 10.15.4, tvOS 13.4, watchOS 6.2, iTunes for Windows 12.10.5, iCloud for Windows 10.9.3, iCloud for Windows 7.18. Multiple issues in libxml2.

Credit

LGTM.com, LGTM.com, LGTM.com, LGTM.com, LGTM.com, LGTM.com, LGTM.com

Affected Software

17 affected componentsFixes available
Apple macOS Catalina<10.15.4
10.15.4
Apple Mojave
Apple High Sierra
Apple This document describes the security content of tvOS<13.4
13.4
Apple WatchOS<6.2
6.2
Apple iCloud for Windows<10.9.3
10.9.3
Apple iCloud for Windows<7.18
7.18
Apple iTunes for Windows<12.10.5
12.10.5
Apple iOS<13.4
13.4
Apple iPadOS<13.4
13.4
Apple Icloud Windows<10.9.3
Apple Itunes Windows<12.10.5
Apple iPadOS<13.4
Apple iPhone OS<13.4
Apple iOS and macOS<10.15.4
Apple tvOS<13.4
Apple WatchOS<6.2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade macOS Catalina to a version that resolves this vulnerability.

    Fixed in 10.15.4
  2. Upgrade

    Upgrade tvOS to a version that resolves this vulnerability.

    Fixed in 13.4
  3. Upgrade

    Upgrade Apple iOS, iPadOS, and watchOS to a version that resolves this vulnerability.

    Fixed in 6.2
  4. Upgrade

    Upgrade Apple iCloud to a version that resolves this vulnerability.

    Fixed in 10.9.3
  5. Upgrade

    Upgrade Apple iCloud to a version that resolves this vulnerability.

    Fixed in 7.18
  6. Upgrade

    Upgrade iTunes to a version that resolves this vulnerability.

    Fixed in 12.10.5
  7. Upgrade

    Upgrade Apple iOS and iPadOS to a version that resolves this vulnerability.

    Fixed in 13.4
  8. Upgrade

    Upgrade Apple iOS, iPadOS, and macOS to a version that resolves this vulnerability.

    Fixed in 13.4
  9. Upgrade

    Upgrade libxml2 to a version that resolves this vulnerability.

    Fixed in iOS 13.4
  10. Upgrade

    Upgrade libxml2 to a version that resolves this vulnerability.

    Fixed in iPadOS 13.4
  11. Upgrade

    Upgrade libxml2 to a version that resolves this vulnerability.

    Fixed in macOS Catalina 10.15.4
  12. Upgrade

    Upgrade libxml2 to a version that resolves this vulnerability.

    Fixed in tvOS 13.4
  13. Upgrade

    Upgrade libxml2 to a version that resolves this vulnerability.

    Fixed in watchOS 6.2
  14. Upgrade

    Upgrade libxml2 to a version that resolves this vulnerability.

    Fixed in iTunes for Windows 12.10.5
  15. Upgrade

    Upgrade libxml2 to a version that resolves this vulnerability.

    Fixed in iCloud for Windows 10.9.3
  16. Upgrade

    Upgrade libxml2 to a version that resolves this vulnerability.

    Fixed in iCloud for Windows 7.18

Event History

Apr 1, 2020
CVE Published
via MITRE·05:54 PM
Data Sourced
via MITRE·05:54 PM
DescriptionWeakness
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is CVE-2020-3910?

CVE-2020-3910 is a vulnerability in libxml2 that allows for a buffer overflow due to inadequate size validation.

2

Which software versions are affected by CVE-2020-3910?

CVE-2020-3910 affects the following software versions: Apple iOS up to version 13.4, Apple iPadOS up to version 13.4, Apple watchOS up to version 6.2, Apple iTunes for Windows up to version 12.10.5, Apple iCloud for Windows up to version 10.9.3, Apple macOS Catalina up to version 10.15.4, Apple Mojave, Apple High Sierra, and Apple This document describes the security content of tvOS up to version 13.4.

3

What is the severity of CVE-2020-3910?

The severity of CVE-2020-3910 is not mentioned in the provided information. Please refer to the references for more details.

4

How can I fix CVE-2020-3910?

To fix CVE-2020-3910, it is recommended to update to the latest available version of the affected software. Please refer to the references for detailed remediation steps.

5

Where can I find more information about CVE-2020-3910?

You can find more information about CVE-2020-3910 in the provided references: [Reference 1](https://support.apple.com/en-us/HT211102), [Reference 2](https://support.apple.com/en-us/HT211103), [Reference 3](https://support.apple.com/en-us/HT211100).

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