CVE-2016-9643: High severity webkit vulnerability

Published Mar 7, 2017
·
Updated

WebKit. An uncontrolled resource consumption issue was addressed through improved regex processing.

Other sources

The regex code in Webkit 2.4.11 allows remote attackers to cause a denial of service (memory consumption) as demonstrated in a large number of ($ (open parenthesis and dollar) followed by {-2,16} and a large number of +) (plus close parenthesis).

Credit

Gustavo Grieco

Affected Software

2 affected componentsFixes available
WebKit Webkit=2.4.11
Apple iOS<10.3
10.3

Event History

Mar 7, 2017
CVE Published
via MITRE·04:00 PM
Data Sourced
via MITRE·04:00 PM
Description

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2016-9643?

CVE-2016-9643 has been classified as a denial of service vulnerability due to uncontrolled resource consumption.

2

How do I fix CVE-2016-9643?

To fix CVE-2016-9643, users should upgrade to the latest version of affected software, such as Apple iOS 10.3 or WebKit 2.4.11.

3

What types of software are affected by CVE-2016-9643?

CVE-2016-9643 affects Apple iOS versions up to 10.3 and WebKit 2.4.11.

4

What exploit can CVE-2016-9643 lead to?

CVE-2016-9643 can lead to a denial of service, specifically through excessive memory consumption.

5

Are remote attackers able to exploit CVE-2016-9643?

Yes, remote attackers can exploit CVE-2016-9643 to cause denial of service by using specially crafted regular expressions.

Contact

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