8.8

CVE-2018-4233: apple icloud

CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2018-4233DEBIAN-CVE-2018-4233
Published 08-06-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-4233 is a high (CVSS 8.8) vulnerability in apple icloud. EPSS estimates a 53.97% chance of exploitation in the next 30 days, higher than 98.9% of scored vulnerabilities. 3 public exploits are recorded.

Overall risk
56/100
0100
High · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
53.97%
0%100%
Critical · +0.63 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits3exploit-database, metasploit

Advisory lineage

Upstream 0 · Downstream 4 · Related 3
MGASA-2018-0302SUSE-SU-2018:2075-1SUSE-SU-2018:3387-1USN-3687-1

Timeline

  1. 08-06-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.

CVSS metrics

7 scores · 4 sources · 3 versions

EPSS trend

Probability

53.97%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

+0.63 pp

From 53.34% on 18-09-2026

18-09-202618-10-2026
EPSS score
53.97%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

3 found
  • exploit-databaseremotemacosVerified

    Safari - Proxy Object Type Confusion (Metasploit)

    Maturity: weaponized

  • MetasploitMetasploitremoteUnverified

    Safari Webkit Proxy Object Type Confusion

    exploit/apple_ios/browser/webkit_createthis

    Maturity: poc

  • MetasploitMetasploitremoteUnverified

    Safari Proxy Object Type Confusion

    exploit/osx/browser/safari_proxy_object_type_confusion

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Apple6 products
Ubuntu4 products
  • qtwebkit-opensource-srcAll versions (No fix recorded)
  • qtwebkit-sourceAll versions (No fix recorded)
  • webkit2gtk< 2.20.3-0ubuntu0.16.04.1 | < 2.20.3-0ubuntu0.18.04.1
  • webkitgtkAll versions (No fix recorded)
Canonical1 product
Debian1 product
  • webkit2gtk< 2.20.3-1

4 vendors · 12 products

References

16 links
Show all 16 references