The pduread function in pdu.c in libpcp in Performance Co-Pilot (PCP) before 3.6.5 does not properly time out connections, which allows remote attackers to cause a denial of service (pmcd hang) by sending individual bytes of a PDU separately, related to an "event-driven programming flaw."
総合評価: CVE-2012-3421 は中リスク（49.6/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 2.46%、84 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 | 2025-03-30 | 2.15% | 2.46% | +0.31% |
| 2 | 2025-03-29 | 2.46% | 2.15% | -0.31% |
| 3 | 2025-03-19 | — | 2.46% | — |
EPSS の全履歴 （全 6 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 |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2012-3421 not yet assigned priority: Debian including 1 source packages (pcp), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2012-3421 |
suse
|
medium | CVE-2012-3421 severity moderate: SUSE including 260 source package names (libpcp-devel-3.10.4-1.23, libpcp-devel-3.11.9-3.116, …), 306 product×package rows across 16 product lines (SUSE Linux Enterprise Desktop 11 SP2, SUSE Linux Enterprise Module for Development Tools 15, … (16 product lines)): Fixed 306. | https://www.suse.com/security/cve/CVE-2012-3421/ |
ubuntu
|
medium | CVE-2012-3421 medium priority: Ubuntu including 1 source packages (pcp), 16 status rows across 16 suites (hardy, lucid, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 10, not-affected 3, DNE 2, released 1. | https://ubuntu.com/security/CVE-2012-3421 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| sgi | performance_co-pilot | <= 3.6.4 | cpe:2.3:a:sgi:performance_co-pilot:*:*:*:*:*:*:*:* |
| sgi | performance_co-pilot | 2.1.1 | cpe:2.3:a:sgi:performance_co-pilot:2.1.1:*:*:*:*:*:*:* |
| sgi | performance_co-pilot | 2.1.2 | cpe:2.3:a:sgi:performance_co-pilot:2.1.2:*:*:*:*:*:*:* |
| sgi | performance_co-pilot | 2.1.3 | cpe:2.3:a:sgi:performance_co-pilot:2.1.3:*:*:*:*:*:*:* |
| sgi | performance_co-pilot | 2.1.4 | cpe:2.3:a:sgi:performance_co-pilot:2.1.4:*:*:*:*:*:*:* |
| sgi | performance_co-pilot | 2.1.5 | cpe:2.3:a:sgi:performance_co-pilot:2.1.5:*:*:*:*:*:*:* |
| sgi | performance_co-pilot | 2.1.6 | cpe:2.3:a:sgi:performance_co-pilot:2.1.6:*:*:*:*:*:*:* |
| sgi | performance_co-pilot | 2.1.7 | cpe:2.3:a:sgi:performance_co-pilot:2.1.7:*:*:*:*:*:*:* |
| sgi | performance_co-pilot | 2.1.8 | cpe:2.3:a:sgi:performance_co-pilot:2.1.8:*:*:*:*:*:*:* |
| sgi | performance_co-pilot | 2.1.9 | cpe:2.3:a:sgi:performance_co-pilot:2.1.9:*:*:*:*:*:*:* |
| sgi | performance_co-pilot | 2.1.10 | cpe:2.3:a:sgi:performance_co-pilot:2.1.10:*:*:*:*:*:*:* |
| sgi | performance_co-pilot | 2.1.11 | cpe:2.3:a:sgi:performance_co-pilot:2.1.11:*:*:*:*:*:*:* |
| sgi | performance_co-pilot | 2.2 | cpe:2.3:a:sgi:performance_co-pilot:2.2:*:*:*:*:*:*:* |