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5.5
CVSSv3

CVE-2018-4431

Published: 03/04/2019 Updated: 05/04/2019
CVSS v2 Base Score: 4.9 | Impact Score: 6.9 | Exploitability Score: 3.9
CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8
VMScore: 436
Vector: AV:L/AC:L/Au:N/C:C/I:N/A:N
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Vulnerability Summary

A memory initialization issue was addressed with improved memory handling. This issue affected versions prior to iOS 12.1.1, macOS Mojave 10.14.2, tvOS 12.1.1, watchOS 5.1.2.

Vulnerability Trend

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apple watchos

apple mac os x

apple tvos

apple iphone os

Mailing Lists

Full Disclosure: APPLE-SA-2018-12-05-1 iOS 12.1.1
<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> APPLE-SA-2018-12-05-1 iOS 1211 <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: Apple Product Security v ...
Full Disclosure: APPLE-SA-2018-12-05-2 macOS Mojave 10.14.2, Security Update 2018-003 High Sierra, Security Update 2018-006 Sierra
<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> APPLE-SA-2018-12-05-2 macOS Mojave 10142, Security Update 2018-003 High Sierra, Security Update 2018-006 Sierra <!-- ...
Full Disclosure: APPLE-SA-2018-12-06-1 watchOS 5.1.2
<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> APPLE-SA-2018-12-06-1 watchOS 512 <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: Apple Product Securit ...

Github Repositories

https://github.com/ktiOSz/PoC_iOS12

PoC Exploit iOS 12 to iOS 12.1 (CVE-2018-4431)

PoC_iOS12 PoC Exploit iOS 12 to iOS 121 (CVE-2018-4431) Kernel is available for: iPhone 5s and later, iPad Air and later and iPod Touch 6th generation

References

CWE-200https://support.apple.com/kb/HT209343https://support.apple.com/kb/HT209342https://support.apple.com/kb/HT209341https://support.apple.com/kb/HT209340https://nvd.nist.govhttps://github.com/ktiOSz/PoC_iOS12http://seclists.org/fulldisclosure/2018/Dec/11
CVSSv3
CVSSv2
CVSSv3
VMScore
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