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.
総合評価: CVE-2018-4233 は悪用リスクが高い(84.9/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 89.90%、100 パーセンタイル) 根拠: 公開エクスプロイトが 2 件参照されています(Exploit-DB)。 推奨対応: 公開エクスプロイトが確認されています。影響範囲の確認、緩和策の適用、パッチ適用を優先してください。
リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。
| EDB-ID | ソース | 種別 | 公開 | リンク |
|---|---|---|---|---|
| 45998 | exploit_db | edb | 2018-12-14 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置(高いほど相対的に深刻)を示します。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ(新 − 旧) |
|---|---|---|---|---|
| 1 | 2025-12-23 | 90.06% | 89.90% | -0.17% |
| 2 | 2025-11-21 | 79.64% | 90.06% | +10.43% |
| 3 | 2025-11-18 | — | 79.64% | — |
EPSS の全履歴 (全 21 件)
この CVE の CVSS 指標。
| ベーススコア | バージョン | 深刻度 | ベクトル | 悪用しやすさ | 影響 | スコアの出典 |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| 8.8 | 3.0 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2018-4233 unimportant priority: Debian including 1 source packages (webkit2gtk), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2018-4233 |
gentoo
|
normal | CVE-2018-4233: 1 GLSA(s) (201808-04), 1 atom(s) (net-libs/webkit-gtk); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2018-4233 |
suse
|
medium | CVE-2018-4233 severity moderate: SUSE including 175 source package names (WebKit2GTK-4.1-lang-2.36.0-150400.2.13, WebKit2GTK-5.0-lang-2.36.0-150400.2.12, …), 249 product×package rows across 40 product lines (SUSE Linux Enterprise Desktop 12 SP3, SUSE Linux Enterprise Desktop 12 SP4, … (40 product lines)): Fixed 239, Known Not Affected 10. | https://www.suse.com/security/cve/CVE-2018-4233/ |
ubuntu
|
medium | CVE-2018-4233 medium priority: Ubuntu including 5 source packages (qtwebkit, qtwebkit-opensource-src, qtwebkit-source, webkit2gtk, webkitgtk), 83 status rows across 17 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, trusty, upstream, xenial): DNE 38, ignored 26, not-affected 12, released 4, needs-triage 3. | https://ubuntu.com/security/CVE-2018-4233 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| apple | safari | < 11.1.1 | cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* |
| apple | iphone_os | < 11.4 | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
| apple | tvos | < 11.4 | cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* |
| apple | watchos | < 4.3.1 | cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* |
| apple | icloud | < 7.5 | cpe:2.3:a:apple:icloud:*:*:*:*:*:*:*:* |
| apple | itunes | < 12.7.5 | cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 16.04 | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 17.10 | cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 18.04 | cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* |
| URL | タグ |
|---|---|
| http://packetstormsecurity.com/files/153148/Safari-Webkit-Proxy-Object-Type-Confusion.html | |
| http://www.securitytracker.com/id/1041029 | Third Party Advisory VDB Entry |
| https://security.gentoo.org/glsa/201808-04 | Third Party Advisory |
| https://support.apple.com/HT208848 | Vendor Advisory |
| https://support.apple.com/HT208850 | Vendor Advisory |
| https://support.apple.com/HT208851 | Vendor Advisory |
| https://support.apple.com/HT208852 | Vendor Advisory |
| https://support.apple.com/HT208853 | Vendor Advisory |
| https://support.apple.com/HT208854 | Vendor Advisory |
| https://usn.ubuntu.com/3687-1/ | Third Party Advisory |
| https://www.exploit-db.com/exploits/45998/ | Exploit Third Party Advisory VDB Entry |