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LIN9-10080 : Security Advisory - nginx - CVE-2019-9511

Created: Jun 22, 2020    Updated: Jul 30, 2020
Resolved Date: Jul 30, 2020
Found In Version: 9.0.0.1
Severity: Standard
Applicable for: Wind River Linux 9
Component/s: Userspace

Description

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.

CREATE(Triage):(User=admin) [CVE-2019-9511|https://nvd.nist.gov/vuln/detail/CVE-2019-9511]

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