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CVE-2024-27919

HIGH

7.5

Descripcion

Envoy is a cloud-native, open-source edge and service proxy. In versions 1.29.0 and 1.29.1, theEnvoy HTTP/2 protocol stack is vulnerable to the flood of CONTINUATION frames. Envoy's HTTP/2 codec does not reset a request when header map limits have been exceeded. This allows an attacker to send an sequence of CONTINUATION frames without the END_HEADERS bit set causing unlimited memory consumption. This can lead to denial of service through memory exhaustion. Users should upgrade to versions 1.29.2 to mitigate the effects of the CONTINUATION flood. Note that this vulnerability is a regression in Envoy version 1.29.0 and 1.29.1 only. As a workaround, downgrade to version 1.28.1 or earlier or disable HTTP/2 protocol for downstream connections.

Detalles CVE

Puntuacion CVSS v3.17.5

SeveridadHIGH

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

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado4/4/2024

Ultima modificacion11/4/2025

Fuentenvd

Avistamientos honeypot0

Productos afectados

envoyproxy:envoy

Debilidades (CWE)

CWE-390

Referencias

http://www.openwall.com/lists/oss-security/2024/04/03/16(security-advisories@github.com)

http://www.openwall.com/lists/oss-security/2024/04/05/3(security-advisories@github.com)

https://github.com/envoyproxy/envoy/commit/57a02565532c18eb9df972a3e8974be3ae59f2d5(security-advisories@github.com)

https://github.com/envoyproxy/envoy/security/advisories/GHSA-gghf-vfxp-799r(security-advisories@github.com)

http://www.openwall.com/lists/oss-security/2024/04/03/16(af854a3a-2127-422b-91ae-364da2661108)

http://www.openwall.com/lists/oss-security/2024/04/05/3(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/envoyproxy/envoy/commit/57a02565532c18eb9df972a3e8974be3ae59f2d5(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/envoyproxy/envoy/security/advisories/GHSA-gghf-vfxp-799r(af854a3a-2127-422b-91ae-364da2661108)

https://www.kb.cert.org/vuls/id/421644(af854a3a-2127-422b-91ae-364da2661108)

Correlaciones IOC

Sin correlaciones registradas

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