In stroke_socket.c in strongSwan before 5.6.3, a missing packet length check could allow a buffer underflow, which may lead to resource exhaustion and denial of service while reading from the socket.
総合評価: CVE-2018-5388 は中リスク(56.7/100)。CVSS 深刻度は中。悪用される可能性が高い(EPSS 4.00%、89 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 | 2026-05-27 | 4.30% | 4.00% | -0.30% |
| 2 | 2025-12-28 | 4.02% | 4.30% | +0.28% |
| 3 | 2025-12-27 | — | 4.02% | — |
EPSS の全履歴 (全 22 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 |
|---|---|---|---|---|---|---|
| 6.5 | 3.0 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 4.0 | 2.0 | MEDIUM |
|
8.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
medium | CVE-2018-5388: 1 source package rows (strongswan); 15 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 5. | https://security.alpinelinux.org/vuln/CVE-2018-5388 |
debian
|
not yet assigned | CVE-2018-5388 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-2018-5388 |
gentoo
|
normal | CVE-2018-5388: 1 GLSA(s) (201811-16), 1 atom(s) (net-vpn/strongswan); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2018-5388 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2018-5388 |
suse
|
medium | CVE-2018-5388 severity moderate: SUSE including 77 source package names (strongswan-4.4.0-6.36.6.1, strongswan-5.1.3-26.13.1, …), 173 product×package rows across 37 product lines (SUSE Enterprise Storage 4, SUSE Enterprise Storage 5, … (37 product lines)): Fixed 173. | https://www.suse.com/security/cve/CVE-2018-5388/ |
ubuntu
|
low | CVE-2018-5388 low priority: Ubuntu including 1 source packages (strongswan), 5 status rows across 5 suites (artful, bionic, trusty, upstream, xenial): released 4, ignored 1. | https://ubuntu.com/security/CVE-2018-5388 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| strongswan | strongswan | < 5.6.3 | cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 16.04 | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 18.04 | cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* |
| URL | タグ |
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00077.html | |
| http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00001.html | |
| http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00047.html | |
| http://packetstormsecurity.com/files/172833/strongSwan-VPN-Charon-Server-Buffer-Overflow.html | |
| http://www.kb.cert.org/vuls/id/338343 | Third Party Advisory US Government Resource |
| http://www.securityfocus.com/bid/104263 | Third Party Advisory VDB Entry |
| https://git.strongswan.org/?p=strongswan.git%3Ba=commitdiff%3Bh=0acd1ab4 | |
| https://security.gentoo.org/glsa/201811-16 | Third Party Advisory |
| https://usn.ubuntu.com/3771-1/ | Third Party Advisory |
| https://www.debian.org/security/2018/dsa-4229 | Third Party Advisory |