Asterisk Open Source 1.2.26 through 1.2.30.3 and Business Edition B.2.3.5 through B.2.5.5, when realtime IAX2 users are enabled, allows remote attackers to cause a denial of service (crash) via authentication attempts involving (1) an unknown user or (2) a user using hostname matching.
総合評価: CVE-2008-5558 は中リスク(44.1/100)。CVSS 深刻度は中。悪用される可能性が高い(EPSS 1.96%、78 パーセンタイル) 推奨対応: 影響資産を整理し、修補計画に組み込んでください。
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。
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 | 2026-06-15 | 2.26% | 1.96% | -0.30% |
| 2 | 2026-05-13 | 2.11% | 2.26% | +0.15% |
| 3 | 2025-07-05 | — | 2.11% | — |
EPSS の全履歴 (全 10 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 |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2008-5558 not yet assigned priority: Debian including 1 source packages (asterisk), 2 status rows across 2 suites (bullseye, sid): resolved 2. | https://security-tracker.debian.org/tracker/CVE-2008-5558 |
gentoo
|
normal | CVE-2008-5558: 1 GLSA(s) (200905-01), 1 atom(s) (net-misc/asterisk); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2008-5558 |
ubuntu
|
medium | CVE-2008-5558 medium priority: Ubuntu including 1 source packages (asterisk), 7 status rows across 7 suites (dapper, gutsy, hardy, intrepid, jaunty, karmic, upstream): not-affected 5, ignored 1, needs-triage 1. | https://ubuntu.com/security/CVE-2008-5558 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| asterisk | asterisk_business_edition | b.2.3.4 | cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.4:*:*:*:*:*:*:* |
| asterisk | asterisk_business_edition | b.2.3.5 | cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.5:*:*:*:*:*:*:* |
| asterisk | asterisk_business_edition | b.2.5.0 | cpe:2.3:a:asterisk:asterisk_business_edition:b.2.5.0:*:*:*:*:*:*:* |
| asterisk | asterisk_business_edition | b.2.5.1 | cpe:2.3:a:asterisk:asterisk_business_edition:b.2.5.1:*:*:*:*:*:*:* |
| asterisk | asterisk_business_edition | b.2.5.3 | cpe:2.3:a:asterisk:asterisk_business_edition:b.2.5.3:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.26 | cpe:2.3:a:asterisk:open_source:1.2.26:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.26 | cpe:2.3:a:asterisk:open_source:1.2.26:netsec:*:*:*:*:*:* |
| asterisk | open_source | 1.2.26.1 | cpe:2.3:a:asterisk:open_source:1.2.26.1:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.26.1 | cpe:2.3:a:asterisk:open_source:1.2.26.1:netsec:*:*:*:*:*:* |
| asterisk | open_source | 1.2.26.2 | cpe:2.3:a:asterisk:open_source:1.2.26.2:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.26.2 | cpe:2.3:a:asterisk:open_source:1.2.26.2:netsec:*:*:*:*:*:* |
| asterisk | open_source | 1.2.27 | cpe:2.3:a:asterisk:open_source:1.2.27:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.28 | cpe:2.3:a:asterisk:open_source:1.2.28:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.29 | cpe:2.3:a:asterisk:open_source:1.2.29:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.30 | cpe:2.3:a:asterisk:open_source:1.2.30:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.30.2 | cpe:2.3:a:asterisk:open_source:1.2.30.2:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.30.3 | cpe:2.3:a:asterisk:open_source:1.2.30.3:*:*:*:*:*:*:* |