CVE-2021-30823: Medium severity Apple tvOS vulnerability

Published Sep 13, 2021
·
Updated

A flaw was found in WebKitGTK. A logic issue was addressed with improved restrictions.

References: https://webkitgtk.org/security/WSA-2021-0007.html https://www.openwall.com/lists/oss-security/2021/12/20/6

Other sources

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Monterey 12.0.1, iOS 14.8 and iPadOS 14.8, tvOS 15, Safari 15, watchOS 8. An attacker in a privileged network position may be able to bypass HSTS.

— MITRE

WebKit. A logic issue was addressed with improved restrictions.

Credit

David Gullasch(Recurity Labs), David Gullasch(Recurity Labs), David Gullasch(Recurity Labs), David Gullasch(Recurity Labs), David Gullasch(Recurity Labs), David Gullasch(Recurity Labs), David Gullasch(Recurity Labs)

Affected Software

19 affected componentsFixes available
Apple tvOS<15
15
Apple WatchOS<8
8
Apple iCloud for Windows<13
13
Apple macOS Monterey<12.0.1
12.0.1
Apple iTunes for Windows<12.12
12.12
Apple Safari<15
15
Apple iOS<14.8
14.8
Apple iPadOS<14.8
14.8
Apple Safari<15.0.0
Apple iPadOS<14.8
Apple iPhone OS<14.8
Apple macOS<12.0.1
Apple tvOS<15.0
Apple WatchOS<8.0
alpine/webkit2gtk<2.34.0-r0
2.34.0-r0
alpine/webkit2gtk<2.34.0-r0
2.34.0-r0
alpine/webkit2gtk<2.34.0-r0
2.34.0-r0
alpine/webkit2gtk<2.34.0-r0
2.34.0-r0
alpine/webkit2gtk<2.34.0-r0
2.34.0-r0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade tvOS to a version that resolves this vulnerability.

    Fixed in 15
  2. Upgrade

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

    Fixed in 8
  3. Upgrade

    Upgrade Apple iCloud to a version that resolves this vulnerability.

    Fixed in 13
  4. Upgrade

    Upgrade macOS to a version that resolves this vulnerability.

    Fixed in 12.0.1
  5. Upgrade

    Upgrade iTunes to a version that resolves this vulnerability.

    Fixed in 12.12
  6. Upgrade

    Upgrade Safari to a version that resolves this vulnerability.

    Fixed in 15
  7. Upgrade

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

    Fixed in 14.8
  8. Upgrade

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

    Fixed in 14.8
  9. Upgrade

    Upgrade macOS Monterey to a version that resolves this vulnerability.

    Fixed in 12.0.1
  10. Upgrade

    Upgrade iOS to a version that resolves this vulnerability.

    Fixed in 14.8
  11. Upgrade

    Upgrade iPadOS to a version that resolves this vulnerability.

    Fixed in 14.8
  12. Upgrade

    Upgrade watchOS to a version that resolves this vulnerability.

    Fixed in 8

Event History

Oct 28, 2021
CVE Published
via MITRE·06:17 PM
Data Sourced
via MITRE·06:17 PM
DescriptionWeakness
Data Sourced
via NVD·07:15 PM
DescriptionSeverityAffected Software
Dec 20, 2021
Data Sourced
via Red Hat·07:11 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Company

Resources

Contact

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