Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service
33Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.5epss 60%
probabilidade de exploração
60%top 1% das CVEs
exploração observada
nãonenhuma fonte reporta
Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manipulate window size and stream priority to force the server to queue the data in 1-byte chunks. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Produtos afetados
n/a · n/aReferências
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00031.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-09/msg00032.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00003.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00005.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00014.htmlhttps://access.redhat.com/errata/RHSA-2019:2692https://access.redhat.com/errata/RHSA-2019:2745https://access.redhat.com/errata/RHSA-2019:2746https://access.redhat.com/errata/RHSA-2019:2775https://access.redhat.com/errata/RHSA-2019:2799https://access.redhat.com/errata/RHSA-2019:2925