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Actively exploited · Published Feb 27, 2023 · Assigned by apple

CVE-2023-23529

High 8.8 Exploited

In plain English

A high-severity type confusion in iOS and iPadOS from Apple. Attackers are actively exploiting it in the wild (listed by CISA on February 14, 2023). The chance it is exploited in the next 30 days is estimated at 9.4% (higher than 95% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)9.4%top 4.6% of all CVEs
Exploited in the wildYesCISA KEV since Feb 14, 2023
Attack toolingNoneno public tooling known

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by Mar 7, 2023.

Official description

A type confusion issue was addressed with improved checks. This issue is fixed in iOS 15.7.4 and iPadOS 15.7.4, iOS 16.3.1 and iPadOS 16.3.1, macOS Ventura 13.2.1, Safari 16.3. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8webkit2gtk32.36.7-1.el8_7.2ALSA-2023:0902
AlmaLinux:9webkit2gtk32.36.7-1.el9_1.2ALSA-2023:0903
AlmaLinux:8webkit2gtk3-devel2.36.7-1.el8_7.2ALSA-2023:0902
AlmaLinux:9webkit2gtk3-devel2.36.7-1.el9_1.2ALSA-2023:0903
AlmaLinux:8webkit2gtk3-jsc2.36.7-1.el8_7.2ALSA-2023:0902
AlmaLinux:9webkit2gtk3-jsc2.36.7-1.el9_1.2ALSA-2023:0903
AlmaLinux:8webkit2gtk3-jsc-devel2.36.7-1.el8_7.2ALSA-2023:0902
AlmaLinux:9webkit2gtk3-jsc-devel2.36.7-1.el9_1.2ALSA-2023:0903
Debian:12webkit2gtk2.38.5-1DEBIAN-CVE-2023-23529
Debian:13webkit2gtk2.38.5-1DEBIAN-CVE-2023-23529
Debian:14webkit2gtk2.38.5-1DEBIAN-CVE-2023-23529
Debian:12wpewebkit2.38.5-1DEBIAN-CVE-2023-23529
Debian:13wpewebkit2.38.5-1DEBIAN-CVE-2023-23529
Debian:14wpewebkit2.38.5-1DEBIAN-CVE-2023-23529
Rocky Linux:8webkit2gtk30:2.36.7-1.el8_7.2RLSA-2023:0902
Rocky Linux:9webkit2gtk30:2.36.7-1.el9_1.2RLSA-2023:0903
Ubuntu:22.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2023-23529
Ubuntu:24.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2023-23529
Ubuntu:22.04:LTSwebkit2gtk2.38.5-0ubuntu0.22.04.1UBUNTU-CVE-2023-23529
Ubuntu:22.04:LTSwebkit2gtk2.38.5-0ubuntu0.22.04.1USN-5893-1
Ubuntu:22.04:LTSwpewebkitno fix listedUBUNTU-CVE-2023-23529

Affected products (as reported)

VendorProductVersions
Apple iOS and iPadOS unspecified – before 16.3
Apple Safari unspecified – before 16.3
Apple macOS unspecified – before 13.2
Apple iOS and iPadOS unspecified – before 15.7

Weakness: CWE-843 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References