IM
IronMonkey Threat Research

CVE-2024-28182 MEDIUM

Published: 2024-04-04 | Last Modified: 2025-11-04 | Status: Modified

Description

nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. The nghttp2 library prior to version 1.61.0 keeps reading the unbounded number of HTTP/2 CONTINUATION frames even after a stream is reset to keep HPACK context in sync. This causes excessive CPU usage to decode HPACK stream. nghttp2 v1.61.0 mitigates this vulnerability by limiting the number of CONTINUATION frames it accepts per stream. There is no workaround for this vulnerability.

Additional Descriptions (1)

nghttp2 es una implementación del protocolo de transferencia de hipertexto versión 2 en C. La librería nghttp2 anterior a la versión 1.61.0 sigue leyendo el número ilimitado de tramas de CONTINUACIÓN HTTP/2 incluso después de que se restablece una secuencia para mantener sincronizado el contexto HPACK. Esto provoca un uso excesivo de la CPU para decodificar el flujo HPACK. nghttp2 v1.61.0 mitiga esta vulnerabilidad al limitar la cantidad de cuadros de CONTINUACIÓN que acepta por transmisión. No existe workaround para esta vulnerabilidad.

CVSS Metrics

Base Score: 5.3 (MEDIUM)

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

Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactLOW

Source: [email protected]

Type: Secondary

Exploitability Score: 3.9

Impact Score: 1.4

Weaknesses

Source Type Description
[email protected] Secondary
en CWE-770

Affected Products

Vendor Product Version Update Type
nghttp2 nghttp2 * <built-in method update of dict object at 0x7fd3412bbb00> Application
debian debian_linux 10.0 <built-in method update of dict object at 0x7fd39c4e75c0> Operating System
debian debian_linux 11.0 <built-in method update of dict object at 0x7fd3695d8f00> Operating System
fedoraproject fedora 38 <built-in method update of dict object at 0x7fd369f80b80> Operating System
fedoraproject fedora 39 <built-in method update of dict object at 0x7fd3695dac40> Operating System
fedoraproject fedora 40 <built-in method update of dict object at 0x7fd3695daa00> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:nghttp2:nghttp2:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Yes cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Yes cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
Yes cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
Yes cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*

References