CVE-2025-9784
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Wada w Undertow umożliwia złośliwym klientom wywoływanie resetów strumieni serwera, co prowadzi do przeciążenia i ataku typu DoS.
CVSS
7.5
EPSS
2.3%
Exploit
none
Vendor
redhat
Opis źródłowy (NVD)
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).
dos
Brak patcha
Źródła i daty
| Źródło | Wartość |
|---|---|
| NVD – CVSS | 7.5 |
| CISA KEV (aktywnie wykorzystywane) | Nie |
| FIRST EPSS (prawdopodobieństwo exploita) | 2.3% |
| Opublikowano (NVD) | 2025-09-02 14:15:36 UTC |
| Ostatnia modyfikacja (NVD) | 2026-10-06 00:16:31 UTC |
Referencje
- https://access.redhat.com/errata/RHSA-2025:23143 ([email protected])
- https://access.redhat.com/errata/RHSA-2026:0383 ([email protected])
- https://access.redhat.com/errata/RHSA-2026:0384 ([email protected])
- https://access.redhat.com/errata/RHSA-2026:0386 ([email protected])
- https://access.redhat.com/errata/RHSA-2026:33371 ([email protected])
- https://access.redhat.com/errata/RHSA-2026:33372 ([email protected])
- https://access.redhat.com/errata/RHSA-2026:3889 ([email protected])
- https://access.redhat.com/errata/RHSA-2026:3891 ([email protected])
- https://access.redhat.com/errata/RHSA-2026:3892 ([email protected])
- https://access.redhat.com/errata/RHSA-2026:4915 ([email protected])
- https://access.redhat.com/errata/RHSA-2026:4916 ([email protected])
- https://access.redhat.com/errata/RHSA-2026:4917 ([email protected])
- https://access.redhat.com/errata/RHSA-2026:4924 ([email protected])
- https://access.redhat.com/errata/RHSA-2026:76132 ([email protected])
- https://access.redhat.com/errata/RHSA-2026:76134 ([email protected])
- https://access.redhat.com/security/cve/CVE-2025-9784 ([email protected]) [Vendor Advisory]
- https://bugzilla.redhat.com/show_bug.cgi?id=2392306 ([email protected]) [Issue Tracking]
- https://github.com/undertow-io/undertow/pull/1778 ([email protected])
- https://github.com/undertow-io/undertow/releases/tag/2.2.38.Final ([email protected])
- https://issues.redhat.com/browse/UNDERTOW-2598 ([email protected])
- https://kb.cert.org/vuls/id/767506 ([email protected])
- https://www.kb.cert.org/vuls/id/767506 (af854a3a-2127-422b-91ae-364da2661108)