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Vulnerability details: VCID-d3cz-v9gn-aaap
Vulnerability ID VCID-d3cz-v9gn-aaap
Aliases CVE-2018-4323
Summary Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.
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-2018-4323.html
epss 0.20932 https://api.first.org/data/v1/epss?cve=CVE-2018-4323
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epss 0.20932 https://api.first.org/data/v1/epss?cve=CVE-2018-4323
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epss 0.41675 https://api.first.org/data/v1/epss?cve=CVE-2018-4323
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epss 0.83765 https://api.first.org/data/v1/epss?cve=CVE-2018-4323
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4323
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2018-4323
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2018-4323
generic_textual Medium https://ubuntu.com/security/notices/USN-3781-1
generic_textual Medium https://usn.ubuntu.com/usn/usn-3781-1
generic_textual Medium https://webkitgtk.org/security/WSA-2018-0007.html
generic_textual Medium https://www.openwall.com/lists/oss-security/2018/09/29/1
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-4323.html
https://api.first.org/data/v1/epss?cve=CVE-2018-4323
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4323
https://support.apple.com/kb/HT209106
https://support.apple.com/kb/HT209107
https://support.apple.com/kb/HT209109
https://support.apple.com/kb/HT209140
https://support.apple.com/kb/HT209141
https://ubuntu.com/security/notices/USN-3781-1
https://usn.ubuntu.com/usn/usn-3781-1
https://webkitgtk.org/security/WSA-2018-0007.html
https://www.openwall.com/lists/oss-security/2018/09/29/1
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:*:*:*:*:*:*:*:*
CVE-2018-4323 Exploit https://bugs.chromium.org/p/project-zero/issues/detail?id=1609
CVE-2018-4323 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/45484.html
CVE-2018-4323 https://nvd.nist.gov/vuln/detail/CVE-2018-4323
Data source Exploit-DB
Date added Sept. 25, 2018
Description WebKit - 'WebCore::RenderMultiColumnSet::updateMinimumColumnHeight' Use-After-Free
Ransomware campaign use Known
Source publication date Sept. 25, 2018
Exploit type dos
Platform multiple
Source update date Sept. 25, 2018
Source URL https://bugs.chromium.org/p/project-zero/issues/detail?id=1609
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-4323
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-2018-4323
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 0.95148
EPSS Score 0.20932
Published At March 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.