CVE-2025-9784Otomatik saldırıya uygun · CISA

Undertow: undertow madeyoureset http/2 ddos vulnerability

CVSS Skor

7.5

EPSS İhtimal

%2.3

Risk Skoru

0.2

Yayın

1 yıl önce

Overview (Genel Bakış)Public Exploits (0)Newsroom (Haberler)Vulnerability Timeline

Resmî yama doğrulandı

Etkilenen ürün ve sürüm için yayımlanan güvenlik güncellemesini uygulayın.

Envanterimdeki Etkisi

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Oturum kontrol ediliyor…

Zafiyet Açıklaması

DayBreach CVE AI Araştırması

CVE-2025-9784 için toplanan üretici, dağıtım, yama ve güvenlik kaynağı kayıtlarını karşılaştırıp kanıt bağlantılı bir açıklama hazırlayalım.

A flaw was found in Undertow where malformed client requests can trigger server-side stream resets without triggering abuse counters. This issue, referred to as the "MadeYouReset" attack, allows malicious clients to induce excessive server workload by repeatedly causing server-side stream aborts. While not a protocol bug, this highlights a common implementation weakness that can be exploited to cause a denial of service (DoS).

IMPACT — Etkilenen Ürünler ve Yazılımlar

Affected Products

The following products are affected by CVE-2025-9784 vulnerability. Even if our threat engine is aware of the exact versions of the products that are affected, the information is represented below.

ID	VENDOR	PRODUCT	ACTION
1	redhat	undertow	İncele
2	Red Hat	Red Hat build of Apache Camel 4.14.2 for Spring Boot 3.5.8	İncele
3	Red Hat	Red Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 7	İncele
4	Red Hat	Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7	İncele
5	Red Hat	Red Hat JBoss Enterprise Application Platform 7.4.24	İncele
6	Red Hat	Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7	İncele
7	Red Hat	Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7	İncele
8	Red Hat	Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8	İncele
9	Red Hat	Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8	İncele
10	Red Hat	Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9	İncele
11	Red Hat	Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9	İncele
12	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0	İncele
13	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8	İncele
14	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8	İncele
15	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8	İncele
16	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8	İncele
17	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8	İncele
18	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8	İncele
19	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9	İncele
20	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9	İncele
21	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9	İncele
22	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9	İncele
23	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9	İncele
24	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9	İncele
25	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1.3	İncele
26	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
27	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
28	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
29	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
30	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
31	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
32	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
33	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
34	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
35	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
36	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
37	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
38	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
39	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
40	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
41	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
42	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
43	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
44	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
45	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
46	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
47	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
48	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
49	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
50	Red Hat	Red Hat Single Sign-On 7.6.13	İncele
51	Red Hat	Red Hat Single Sign-On 7.6 for RHEL 7	İncele
52	Red Hat	Red Hat Single Sign-On 7.6 for RHEL 8	İncele
53	Red Hat	Red Hat Single Sign-On 7.6 for RHEL 9	İncele
54	Red Hat	RHEL-8 based Middleware Containers	İncele
55	Red Hat	Red Hat build of Apache Camel - HawtIO 4	İncele
56	Red Hat	Red Hat Data Grid 8	İncele
57	Red Hat	Red Hat Enterprise Linux 10	İncele
58	Red Hat	Red Hat Enterprise Linux 8	İncele
59	Red Hat	Red Hat Enterprise Linux 9	İncele
60	Red Hat	Red Hat Fuse 7	İncele
61	Red Hat	Red Hat JBoss Enterprise Application Platform 7	İncele
62	Red Hat	Red Hat JBoss Enterprise Application Platform 8	İncele
63	Red Hat	Red Hat JBoss Enterprise Application Platform Expansion Pack	İncele
64	Red Hat	Red Hat Process Automation 7	İncele
65	redhat	build of apache camel for spring boot	İncele
66	redhat	fuse	İncele
67	redhat	jboss enterprise application platform	İncele
68	redhat	jboss enterprise application platform	İncele
69	redhat	jboss enterprise application platform expansion pack	İncele
70	redhat	process automation	İncele
71	redhat	single sign-on	İncele
72	redhat	undertow	İncele
73	redhat	enterprise linux	İncele
74	redhat	enterprise linux	İncele
75	maven	io.undertow:undertow-core	İncele
76	maven	io.undertow:undertow-core	İncele
77	maven	io.undertow:undertow-core	İncele

Total Affected Vendor: 3|Products: 77

RED HAT CSAF/VEX — Ürün Etki Kontrolü

Red Hat bu CVE için henüz bir CSAF/VEX etki kaydı yayımlamamış. Bu durum “etkilenmiyor” anlamına gelmez.

SCORING — CVSS Çoklu Kaynak Skoru

CVSS Scores

The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from various sources for each CVE.

SCORE	VERSION	SEVERITY	VECTOR	SOURCE
7.5	CVSS V31	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	NVD
7.5	CVSS 3.x	—	Vektör yayımlanmadı	GitHub Advisory
7.5	CVSS V3_1	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CVE CNA
0.0	CVSS 4.0	—	Vektör yayımlanmadı	GitHub Advisory

Yama ve İyileştirme Rehberi (Solution)

Solution & Remediation Advisory

Yama doğrulandı

2 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

gitlabmaven/io.undertow/undertow-core2.2.38

GitLab Advisory düzeltilmiş sürüm: 2.2.38

gitlabmaven/io.undertow/undertow-core2.3.20

GitLab Advisory düzeltilmiş sürüm: 2.3.20

gitlab

Upgrade to versions 2.2.38, 2.3.20 or above.

canonical

Upgrade to versions 2.2.38, 2.3.20 or above.

Etkilenen ürün ve sürümü yukarıdaki kaynak kanıtlarıyla doğrulayın.

İnternete açık servislerde erişimi kısıtlayın ve ağ segmentasyonu uygulayın.

Kanıtta belirtilen resmî güncellemeyi yalnızca eşleşen ürün ve sürüme uygulayın.

Sunucu günlüklerini ve ağ uçlarını anormal çalıştırma belirtileri için izleyin.

Public exploit ve aktif sömürü durumu

Doğrulanmış exploit istihbaratı

Bu CVE için henüz doğrulanmış public PoC, exploit repository’si veya Metasploit modülü bulunamadı.

Zafiyet Dağılımı ve Saldırı Kalıpları (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-9784 is associated with the following CWEs:

CWE-770: Allocation of Resources Without Limits or Throttling CWE-404: Common Weakness Enumeration Entry CWE-404 CWE-937: Common Weakness Enumeration Entry CWE-937 CWE-1035: Common Weakness Enumeration Entry CWE-1035

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-9784 weaknesses.

CAPEC-66: SQL Injection CAPEC-126: Path Traversal CAPEC-28: OS Command Injection

Saldırı Vektörü ve Erişilebilirlik Karakteristiği

ErişimAğ üzerinden

YetkiGerekmiyor

KullanıcıGerekmiyor

Resmi Kaynaklar ve Danışma Bültenleri

RHSA-2025:23143vendor-advisory RHSA-2026:0383vendor-advisory RHSA-2026:0384vendor-advisory RHSA-2026:0386vendor-advisory RHSA-2026:33371vendor-advisory RHSA-2026:33372vendor-advisory RHSA-2026:3889vendor-advisory RHSA-2026:3891vendor-advisory RHSA-2026:3892vendor-advisory RHSA-2026:4915vendor-advisory

CVSS Vektör Radar Grafiği

7.5 / 10

Vulnerability Scoring Details

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

Attack VectorNetwork (Ağ)

Attack ComplexityLow (Düşük)

Privileges RequiredNone (Gerekmiyor)

User InteractionNone (Gerekmiyor)

Confidentiality (Gizlilik)Low (Düşük)

Integrity (Bütünlük)None (Yok)

Availability (Erişilebilirlik)High (Yüksek)

Yama doğrulandı

2 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

Üreticiyi takip et

redhat

Red Hat

maven

Zafiyet Türü (CWE & CAPEC)

CWE-770 CWE-404 CWE-937 CWE-1035

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