CVE-2023-39456

🎯 CVE-2023-39456 🇪🇺 EUVD

💬 0 Diskussion 📄 .md Alle CVEs anzeigen ✕

CVE-2023-39456 | Improper Input Validation vulnerability in Apache Traffic Server with malformed HTTP/2 frames.This issue affects Apache Traffic Server: from 9.0.0 through 9.2.2. Users are recommended to upgrade to version 9.2.3, which fixes the issue.

Improper Input Validation vulnerability in Apache Traffic Server with malformed HTTP/2 frames.This issue affects Apache Traffic Server: from 9.0.0 through 9.2.2.

Users are recommended to upgrade to version 9.2.3, which fixes the issue.

Klassifikation & Betroffenheit:

CWE-20 Apache Software Foundation Apache Traffic Server 9.0.0 ≤9.2.2apache traffic_server *fedoraproject fedora 37fedoraproject fedora 38

Improper Input Validation 🎯 High

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

🛡️ Empfohlene Mitigation: Consider using language-theoretic security (LangSec) techniques that characterize inputs using a formal language and build "recognizers" for that language. This effectively requires parsing to be a distinct layer that effectively enforces a boundary between raw input and internal data representations, instead of allowi…

Vollständige Definition bei MITRE ➔

⚔️ Typische Angriffsmuster (CAPEC):

CAPEC-10 · Buffer Overflow via Environment Variable… (High) CAPEC-13 · Subverting Environment Variable Values (Very High) CAPEC-101 · Server Side Include (SSI) Injection (High) CAPEC-104 · Cross Zone Scripting (High) CAPEC-108 · Command Line Execution through SQL Injec… (Very High) CAPEC-109 · Object Relational Mapping Injection (High) CAPEC-110 · SQL Injection through SOAP Parameter Tam… (Very High) CAPEC-120 · Double Encoding (Medium)

🎯 ATT&CK-Techniken (Kill-Chain-Verhalten):

T1562.003 · Impair Defenses:Impair Command His… T1574.006 · Hijack Execution Flow:Dynamic Link… T1574.007 · Hijack Execution Flow:Path Interce…

🧩 Ähnliche Schwachstellen (Hersteller/Klasse/Score-Band):

CVE-2026-106619 9.0 CVE-2026-82378 9.0 CVE-2026-91932 9.0 CVE-2026-16723 9.0 CVE-2026-64106 9.0

🩹 Patch verfügbar (OSV):

🩹 b4e3c73354d2a104ed6f00379eeb9f121a85e8bb (Commit)

🇩🇪 BSI-Sicherheitshinweise: BSI · mittel · Apache Traffic Server: Mehrere Schwachstellen ↗

📚 Referenzen & Quellen:

🇪🇺 Original-Eintrag (ENISA EUVD) 🇺🇸 NVD-Eintrag

Ausnutzungs-Zeitleiste:

Reserviert 2023

Veröffentlicht 10/2023

Heute 06.11.

CVSS-Vektor-Analyse: 7.5

AV · Angriffsvektor Netzwerk

AC · Komplexität Gering

PR · Privilegien Keine

UI · Interaktion Keine

S · Scope Unverändert

C · Vertraulichkeit Keine

I · Integrität Keine

A · Verfügbarkeit Hoch

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Veröffentlicht:17.10.2023

Aktualisiert:17.06.2026 06:12

Assigner (CNA):apache

EUVD-ID:EUVD-2023-43179

EPSS-Verlauf (40 Messungen)

Quellen: 🇪🇺 EUVD-Datenbank (ENISA) + 🇺🇸 NVD-Anreicherung · 24-h-Cache

CWE-20 ✓ Offizieller Patch / Advisory verfügbar

💡 Gegenmaßnahme: Sicherheits-Update des Herstellers zeitnah einspielen und Netzwerksegmentierung prüfen.

Tier	CVEs	Anteil
≥90 %	785	0,2 %
≥50 %	3.572	0,9 %
≥10 %	23.058	5,6 %
<10 %	380.696	93,3 %

Tier

CVEs

Anteil

≥90 %

785

0,2 %

≥50 %

3.572

0,9 %

≥10 %

23.058

5,6 %

<10 %

380.696

93,3 %

7.5 HIGH

EPSS

58.3%

CVE-2023-39456 🌐 Netzwerk (Remote) 🔓 Keine Authentifizierung nötig

Apache Software Foundation

CVE-2023-39456 | Improper Input Validation vulnerability in Apache Traffic Server with malformed HTTP/2 frames.This issue affects Apache Traffic Server: from 9.0.0 through 9.2.2. Users are recommended to upgrade to version 9.2.3, which fixes the issue.

Improper Input Validation vulnerability in Apache Traffic Server with malformed HTTP/2 frames.This issue affects Apache Traffic Server: from 9.0.0 through 9.2.2. Users are recommended to upgrade to version 9.2.3, which fixes the issue.

CWE-20 ✓ Offizieller Patch / Advisory verfügbar

💡 Gegenmaßnahme: Sicherheits-Update des Herstellers zeitnah einspielen und Netzwerksegmentierung prüfen.

vor 3 Jahren ↻ vor 1 Jahr

🛡️ Details ➔

CVE-2023-39456 | Improper Input Validation vulnerability in Apache Traffic Server with malformed HTTP/2 frames.This issue affects Apache Traffic Server: from 9.0.0 through 9.2.2. Users are recommended to upgrade to version 9.2.3, which fixes the issue.

Zero-Day & Vulnerability Intelligence Hub

CVE-2023-39456 | Improper Input Validation vulnerability in Apache Traffic Server with malformed HTTP/2 frames.This issue affects Apache Traffic Server: from 9.0.0 through 9.2.2. Users are recommended to upgrade to version 9.2.3, which fixes the issue.