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Vulnerability details: VCID-kz5w-1gbd-aaam
Vulnerability ID VCID-kz5w-1gbd-aaam
Aliases CVE-2018-4438
Summary A logic issue existed resulting in memory corruption. This was addressed with improved state management. This issue affected versions prior to iOS 12.1.1, tvOS 12.1.1, watchOS 5.1.2, Safari 12.0.2, iTunes 12.9.2 for Windows, iCloud for Windows 7.9.
Status Published
Exploitability 2.0
Weighted Severity 7.9
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-4438.html
epss 0.34349 https://api.first.org/data/v1/epss?cve=CVE-2018-4438
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epss 0.44802 https://api.first.org/data/v1/epss?cve=CVE-2018-4438
epss 0.51406 https://api.first.org/data/v1/epss?cve=CVE-2018-4438
epss 0.51406 https://api.first.org/data/v1/epss?cve=CVE-2018-4438
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epss 0.51406 https://api.first.org/data/v1/epss?cve=CVE-2018-4438
epss 0.51406 https://api.first.org/data/v1/epss?cve=CVE-2018-4438
epss 0.51406 https://api.first.org/data/v1/epss?cve=CVE-2018-4438
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4438
cvssv3 9.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2018-4438
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2018-4438
generic_textual Medium https://webkitgtk.org/security/WSA-2018-0009.html
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-4438.html
https://api.first.org/data/v1/epss?cve=CVE-2018-4438
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4438
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://support.apple.com/kb/HT209340
https://support.apple.com/kb/HT209342
https://support.apple.com/kb/HT209343
https://support.apple.com/kb/HT209344
https://support.apple.com/kb/HT209345
https://support.apple.com/kb/HT209346
https://webkitgtk.org/security/WSA-2018-0009.html
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
CVE-2018-4438 Exploit https://bugs.chromium.org/p/project-zero/issues/detail?id=1649&desc=2
CVE-2018-4438 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/45984.html
CVE-2018-4438 https://nvd.nist.gov/vuln/detail/CVE-2018-4438
Data source Exploit-DB
Date added Dec. 13, 2018
Description WebKit JIT - Int32/Double Arrays can have Proxy Objects in the Prototype Chains
Ransomware campaign use Known
Source publication date Dec. 13, 2018
Exploit type dos
Platform multiple
Source update date Dec. 13, 2018
Source URL https://bugs.chromium.org/p/project-zero/issues/detail?id=1649&desc=2
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-4438
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-4438
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.96636
EPSS Score 0.34349
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.