CVE-2018-4272: Buffer Overflow

Q: What is CVE-2018-4272?

CVE-2018-4272 is a vulnerability in WebKit that allows attackers to execute arbitrary code on a targeted system.

Q: How does CVE-2018-4272 impact iOS?

CVE-2018-4272 impacts versions of iOS prior to 11.4.1, allowing attackers to execute arbitrary code on vulnerable devices.

Q: How does CVE-2018-4272 impact Safari?

CVE-2018-4272 impacts Safari versions prior to 11.1.2, allowing attackers to execute arbitrary code on vulnerable systems.

Q: How can I fix the CVE-2018-4272 vulnerability in WebKit2GTK?

To fix the CVE-2018-4272 vulnerability in WebKit2GTK, update to version 2.20.5-0ubuntu0.18.04.1 (for Ubuntu Bionic), 2.20.4 (for Ubuntu upstream), or 2.20.5-0ubuntu0.16.04.1 (for Ubuntu Xenial).

Q: How can I fix the CVE-2018-4272 vulnerability in iTunes for Windows?

To fix the CVE-2018-4272 vulnerability in iTunes for Windows, update to version 12.8 or later.

Published Jul 9, 2018

Updated

Last updated 24 July 2024

Other sources

Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6.

— Launchpad

WebKit. Multiple memory corruption issues were addressed with improved memory handling.

Credit

Omair(Trend Micro), Mateusz Krzywicki(Trend Micro), Arayz(Trend Micro), found by OSS-Fuzz, Yu Zhou, Jundong Xie(Ant), cc(Trend Micro), Arayz(Pangu team working with Trend Micro)

Affected Software

18 affected componentsFixes available

debian/webkit2gtk

2.44.2-1~deb11u12.44.3-1~deb11u12.44.2-1~deb12u12.44.3-1~deb12u12.46.0-22.46.1-1

Apple tvOS<11.4.1

11.4.1

Apple WatchOS<4.3.2

4.3.2

Apple iCloud for Windows<7.6

7.6

Apple iTunes for Windows<12.8

12.8

Apple Safari<11.1.2

11.1.2

Apple iOS<11.4.1

11.4.1

Apple Safari<11.1.2

Apple iPhone OS<11.4.1

Apple tvOS<11.4.1

Apple WatchOS<4.3.2

All of the following

Any of the following

Apple iCloud<7.6

Apple iTunes<12.8

Microsoft Windows

Apple iCloud<7.6

Apple iTunes<12.8

Microsoft Windows

alpine/webkit2gtk<2.20.4-r0

2.20.4-r0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade debian/webkit2gtk to a version that resolves this vulnerability.
Fixed in 2.44.2-1~deb11u1Fixed in 2.44.3-1~deb11u1Fixed in 2.44.2-1~deb12u1Fixed in 2.44.3-1~deb12u1Fixed in 2.46.0-2Fixed in 2.46.1-1
Upgrade
Upgrade tvOS to a version that resolves this vulnerability.
Fixed in 11.4.1
Upgrade
Upgrade Apple iOS, iPadOS, and watchOS to a version that resolves this vulnerability.
Fixed in 4.3.2
Upgrade
Upgrade Apple iCloud to a version that resolves this vulnerability.
Fixed in 7.6
Upgrade
Upgrade iTunes to a version that resolves this vulnerability.
Fixed in 12.8
Upgrade
Upgrade Safari to a version that resolves this vulnerability.
Fixed in 11.1.2
Upgrade
Upgrade Apple iOS and iPadOS to a version that resolves this vulnerability.
Fixed in 11.4.1
Upgrade
Upgrade alpine/webkit2gtk to a version that resolves this vulnerability.
Fixed in 2.20.4-r0
Upgrade
Upgrade iOS to a version that resolves this vulnerability.
Fixed in 11.4.1
Upgrade
Upgrade watchOS to a version that resolves this vulnerability.
Fixed in 4.3.2
Upgrade
Upgrade iTunes for Windows to a version that resolves this vulnerability.
Fixed in 12.8
Upgrade
Upgrade iCloud for Windows to a version that resolves this vulnerability.
Fixed in 7.6

Event History

Apr 3, 2019

CVE Published

via MITRE·05:43 PM

Data Sourced

via MITRE·05:43 PM

DescriptionWeakness

Data Sourced

via OSV·06:29 PM

DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

What is CVE-2018-4272?