CVE-2016-4657highunder attackCWE-787

CVE-2016-4657

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100Vexday Risk Score

Patch now. It under exploitation confirmed by CISA and has a working public exploit.

ssvc Actcvss 8.8epss 67%
from disclosure to weapon199 days
Published on NVDAug 25
1st PoC+199d
metasploitAug 25
CISA KEV+2098d
Action required by CISAfederal deadline: 2022-06-14

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In short

A flaw in Apple's WebKit browser engine allows attackers to run malicious code or crash the device by visiting a specially designed website. This affects iPhones and iPads running older iOS versions.

Technical detail

CVE-2016-4657 is a memory corruption vulnerability (CWE-787: Out-of-bounds Write) in WebKit affecting iOS before 9.3.5. The attack vector is remote and requires only user interaction (visiting a malicious website); successful exploitation results in arbitrary code execution or denial of service through memory corruption.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

WebKit in Apple iOS before 9.3.5 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
n/a · n/a
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