CVE-2022-32893

Apple iOS and macOS Out-of-Bounds Write

8.8 HIGHActively exploited (CISA KEV)EPSS 9.93%

Published24 Aug 2022
Added to CISA KEV18 Aug 2022
Remediation due8 Sept 2022

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.6.1 and iPadOS 15.6.1, macOS Monterey 12.5.1, Safari 15.6.1. 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.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionRequired

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Apple Safari< 15.6.1

Webkitgtk< 2.36.7

Wpewebkit Wpe Webkit< 2.36.7

Apple iPadOS< 15.6.1

Apple iPhone OS< 15.6.1

Apple macOS≥ 12.0 < 12.5.1

Debian Linux10.0 · 11.0

Fedoraproject Fedora35 · 36

Remediation

Fixed in

Apple Safari≥ 15.6.1

Webkitgtk≥ 2.36.7

Wpewebkit Wpe Webkit≥ 2.36.7

Apple iPadOS≥ 15.6.1

Apple iPhone OS≥ 15.6.1

Apple macOS≥ 12.5.1

Patch & vendor advisories

References

http://seclists.org/fulldisclosure/2022/Aug/16Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2022/Oct/49Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/08/msg00019.htmlMailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7SETAAXEPGNBMYKTUDFEZHS5LGSQ64QL/Broken Link
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YKJGV2EXVMYQW3OAJNI4WUTKKVMD2YYK/Broken Link
https://security.gentoo.org/glsa/202208-39Third Party Advisory
https://support.apple.com/en-us/HT213412Vendor Advisory
https://support.apple.com/en-us/HT213413Vendor Advisory
https://support.apple.com/en-us/HT213414Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-32893US Government Resource

and 8 more references

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2022-32893 being actively exploited?

Yes. CVE-2022-32893 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 18 Aug 2022.

How severe is CVE-2022-32893?

CVE-2022-32893 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 9.93% probability of exploitation.

Which products are affected by CVE-2022-32893?

Affected products include Apple Safari, Webkitgtk, Wpewebkit Wpe Webkit, Apple iPadOS, Apple iPhone OS, and 3 more.

How do I fix CVE-2022-32893?

Upgrade affected software to a fixed version, for example Apple Safari 15.6.1, Webkitgtk 2.36.7, Wpewebkit Wpe Webkit 2.36.7 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2022-32893 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, a risk for it never ranks below high, and the update that fixes it moves to the Emergency patch lane. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.