The ASN.1 parser in strongSwan before 5.5.3 improperly handles CHOICE types when the x509 plugin is enabled, which allows remote attackers to cause a denial of service (infinite loop) via a crafted certificate.
総合評価: CVE-2017-9023 は中リスク(58.6/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 2.31%、81 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 | 2.10% | 2.31% | +0.21% |
| 2 | 2026-05-27 | 1.25% | 2.10% | +0.85% |
| 3 | 2026-05-15 | — | 1.25% | — |
EPSS の全履歴 (全 17 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 |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| 7.5 | 3.0 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2017-9023: 1 source package rows (strongswan); 10 state rows across 10 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 10, open 0. | https://security.alpinelinux.org/vuln/CVE-2017-9023 |
debian
|
not yet assigned | CVE-2017-9023 not yet assigned priority: Debian including 1 source packages (strongswan), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2017-9023 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2017-9023 |
suse
|
medium | CVE-2017-9023 severity moderate: SUSE including 70 source package names (strongswan, strongswan-4.4.0-6.35.1, …), 159 product×package rows across 41 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (41 product lines)): Fixed 118, Known Not Affected 41. | https://www.suse.com/security/cve/CVE-2017-9023/ |
ubuntu
|
medium | CVE-2017-9023 medium priority: Ubuntu including 1 source packages (strongswan), 5 status rows across 5 suites (trusty, upstream, xenial, yakkety, zesty): released 4, needs-triage 1. | https://ubuntu.com/security/CVE-2017-9023 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| strongswan | strongswan | <= 5.5.2 | cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://www.debian.org/security/2017/dsa-3866 | Third Party Advisory |
| http://www.securityfocus.com/bid/98756 | Third Party Advisory VDB Entry |
| http://www.ubuntu.com/usn/USN-3301-1 | Third Party Advisory |
| https://www.strongswan.org/blog/2017/05/30/strongswan-vulnerability-%28cve-2017-9023%29.html |