Squid 2.5, when processing the configuration file, parses empty Access Control Lists (ACLs), including proxy_auth ACLs without defined auth schemes, in a way that effectively removes arguments, which could allow remote attackers to bypass intended ACLs if the administrator ignores the parser warnings.
総合評価: CVE-2005-0194 は高リスク（76.4/100）。CVSS 深刻度は重大。悪用される可能性が高い（EPSS 5.12%、91 パーセンタイル） 根拠: EPSS 上、短期間での悪用可能性は高い水準です。 直近 1 日で EPSS が +4.46% 上昇。悪用への関心が高まっている可能性があります。 推奨対応: 悪用可能性が高いため、影響範囲の確認と修補の優先付けを推奨します。
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 | 0.66% | 5.12% | +4.46% |
| 2 | 2025-12-07 | 1.01% | 0.66% | -0.35% |
| 3 | 2025-03-30 | — | 1.01% | — |
EPSS の全履歴 （全 12 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 |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2005-0194 not yet assigned priority: Debian including 1 source packages (squid), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2005-0194 |
ubuntu
|
medium | CVE-2005-0194 medium priority: Ubuntu including 1 source packages (squid), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. | https://ubuntu.com/security/CVE-2005-0194 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| squid | squid | 2.0.patch1 | cpe:2.3:a:squid:squid:2.0.patch1:*:*:*:*:*:*:* |
| squid | squid | 2.0.patch2 | cpe:2.3:a:squid:squid:2.0.patch2:*:*:*:*:*:*:* |
| squid | squid | 2.0.pre1 | cpe:2.3:a:squid:squid:2.0.pre1:*:*:*:*:*:*:* |
| squid | squid | 2.0.release | cpe:2.3:a:squid:squid:2.0.release:*:*:*:*:*:*:* |
| squid | squid | 2.1.patch1 | cpe:2.3:a:squid:squid:2.1.patch1:*:*:*:*:*:*:* |
| squid | squid | 2.1.patch2 | cpe:2.3:a:squid:squid:2.1.patch2:*:*:*:*:*:*:* |
| squid | squid | 2.1.pre1 | cpe:2.3:a:squid:squid:2.1.pre1:*:*:*:*:*:*:* |
| squid | squid | 2.1.pre3 | cpe:2.3:a:squid:squid:2.1.pre3:*:*:*:*:*:*:* |
| squid | squid | 2.1.pre4 | cpe:2.3:a:squid:squid:2.1.pre4:*:*:*:*:*:*:* |
| squid | squid | 2.1.release | cpe:2.3:a:squid:squid:2.1.release:*:*:*:*:*:*:* |
| squid | squid | 2.2.devel3 | cpe:2.3:a:squid:squid:2.2.devel3:*:*:*:*:*:*:* |
| squid | squid | 2.2.devel4 | cpe:2.3:a:squid:squid:2.2.devel4:*:*:*:*:*:*:* |
| squid | squid | 2.2.pre1 | cpe:2.3:a:squid:squid:2.2.pre1:*:*:*:*:*:*:* |
| squid | squid | 2.2.pre2 | cpe:2.3:a:squid:squid:2.2.pre2:*:*:*:*:*:*:* |
| squid | squid | 2.2.stable1 | cpe:2.3:a:squid:squid:2.2.stable1:*:*:*:*:*:*:* |
| squid | squid | 2.2.stable2 | cpe:2.3:a:squid:squid:2.2.stable2:*:*:*:*:*:*:* |
| squid | squid | 2.2.stable3 | cpe:2.3:a:squid:squid:2.2.stable3:*:*:*:*:*:*:* |
| squid | squid | 2.2.stable4 | cpe:2.3:a:squid:squid:2.2.stable4:*:*:*:*:*:*:* |
| squid | squid | 2.2.stable5 | cpe:2.3:a:squid:squid:2.2.stable5:*:*:*:*:*:*:* |
| squid | squid | 2.3.devel2 | cpe:2.3:a:squid:squid:2.3.devel2:*:*:*:*:*:*:* |
| squid | squid | 2.3.devel3 | cpe:2.3:a:squid:squid:2.3.devel3:*:*:*:*:*:*:* |
| squid | squid | 2.3.stable1 | cpe:2.3:a:squid:squid:2.3.stable1:*:*:*:*:*:*:* |
| squid | squid | 2.3.stable2 | cpe:2.3:a:squid:squid:2.3.stable2:*:*:*:*:*:*:* |
| squid | squid | 2.3.stable3 | cpe:2.3:a:squid:squid:2.3.stable3:*:*:*:*:*:*:* |
| squid | squid | 2.3.stable4 | cpe:2.3:a:squid:squid:2.3.stable4:*:*:*:*:*:*:* |
| squid | squid | 2.3.stable5 | cpe:2.3:a:squid:squid:2.3.stable5:*:*:*:*:*:*:* |
| squid | squid | 2.4.stable1 | cpe:2.3:a:squid:squid:2.4.stable1:*:*:*:*:*:*:* |
| squid | squid | 2.4.stable2 | cpe:2.3:a:squid:squid:2.4.stable2:*:*:*:*:*:*:* |
| squid | squid | 2.4.stable3 | cpe:2.3:a:squid:squid:2.4.stable3:*:*:*:*:*:*:* |
| squid | squid | 2.4.stable4 | cpe:2.3:a:squid:squid:2.4.stable4:*:*:*:*:*:*:* |
| squid | squid | 2.4.stable6 | cpe:2.3:a:squid:squid:2.4.stable6:*:*:*:*:*:*:* |
| squid | squid | 2.4.stable7 | cpe:2.3:a:squid:squid:2.4.stable7:*:*:*:*:*:*:* |
| squid | squid | 2.5.stable1 | cpe:2.3:a:squid:squid:2.5.stable1:*:*:*:*:*:*:* |
| squid | squid | 2.5.stable2 | cpe:2.3:a:squid:squid:2.5.stable2:*:*:*:*:*:*:* |
| squid | squid | 2.5.stable3 | cpe:2.3:a:squid:squid:2.5.stable3:*:*:*:*:*:*:* |
| squid | squid | 2.5.stable4 | cpe:2.3:a:squid:squid:2.5.stable4:*:*:*:*:*:*:* |
| squid | squid | 2.5.stable5 | cpe:2.3:a:squid:squid:2.5.stable5:*:*:*:*:*:*:* |
| squid | squid | 2.5.stable6 | cpe:2.3:a:squid:squid:2.5.stable6:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000923 | Patch |
| http://fedoranews.org/updates/FEDORA--.shtml | |
| http://marc.info/?l=bugtraq&m=110901183320453&w=2 | |
| http://www.debian.org/security/2005/dsa-667 | Patch Vendor Advisory |
| http://www.kb.cert.org/vuls/id/260421 | Patch Third Party Advisory US Government Resource |
| http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE7-empty_acls | Patch |
| http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE7-empty_acls.patch | Patch |
| http://www.squid-cache.org/bugs/show_bug.cgi?id=1166 | Vendor Advisory |