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Status published
High
CVE-2019-9512
Some HTTP/2 implementations are vulnerable to ping floods, potentially leading to a denial of service
Vulnerability Description
Some HTTP/2 implementations are vulnerable to ping floods, potentially leading to a denial of service. The attacker sends continual pings to an HTTP/2 peer, causing the peer to build an internal queue of responses. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Thanks to Jonathan Looney of Netflix for reporting this vulnerability.
References
- https://kb.cert.org/vuls/id/605641/
- https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.md
- https://lists.apache.org/thread.html/bde52309316ae798186d783a5e29f4ad1527f61c9219a289d0eee0a7%40%3Cdev.trafficserver.apache.org%3E
- https://lists.apache.org/thread.html/392108390cef48af647a2e47b7fd5380e050e35ae8d1aa2030254c04%40%3Cusers.trafficserver.apache.org%3E
- https://lists.apache.org/thread.html/ad3d01e767199c1aed8033bb6b3f5bf98c011c7c536f07a5d34b3c19%40%3Cannounce.trafficserver.apache.org%3E
- https://seclists.org/bugtraq/2019/Aug/24
- http://seclists.org/fulldisclosure/2019/Aug/16
- https://www.synology.com/security/advisory/Synology_SA_19_33
- https://seclists.org/bugtraq/2019/Aug/31
- https://www.debian.org/security/2019/dsa-4503
- https://support.f5.com/csp/article/K98053339
- http://www.openwall.com/lists/oss-security/2019/08/20/1
- https://security.netapp.com/advisory/ntap-20190823-0001/
- https://security.netapp.com/advisory/ntap-20190823-0004/
- https://security.netapp.com/advisory/ntap-20190823-0005/
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00076.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CMNFX5MNYRWWIMO4BTKYQCGUDMHO3AXP/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZQGHE3WTYLYAYJEIDJVF2FIGQTAYPMC/
- https://seclists.org/bugtraq/2019/Aug/43
- https://www.debian.org/security/2019/dsa-4508
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00011.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYO6E3H34C346D2E443GLXK7OK6KIYIQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4BBP27PZGSY6OP6D26E5FW4GZKBFHNU7/
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00021.html
- https://access.redhat.com/errata/RHSA-2019:2682
- https://www.debian.org/security/2019/dsa-4520
- https://access.redhat.com/errata/RHSA-2019:2726
- https://seclists.org/bugtraq/2019/Sep/18
- https://access.redhat.com/errata/RHSA-2019:2594
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00032.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00031.html
- https://access.redhat.com/errata/RHSA-2019:2661
- https://kc.mcafee.com/corporate/index?page=content&id=SB10296
- https://access.redhat.com/errata/RHSA-2019:2690
- https://access.redhat.com/errata/RHSA-2019:2766
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00038.html
- https://access.redhat.com/errata/RHSA-2019:2796
- https://access.redhat.com/errata/RHSA-2019:2861
- https://access.redhat.com/errata/RHSA-2019:2925
- https://access.redhat.com/errata/RHSA-2019:2939
- https://access.redhat.com/errata/RHSA-2019:2955
- https://access.redhat.com/errata/RHSA-2019:2966
- https://support.f5.com/csp/article/K98053339?utm_source=f5support&%3Butm_medium=RSS
- https://access.redhat.com/errata/RHSA-2019:3131
- https://access.redhat.com/errata/RHSA-2019:2769
- https://access.redhat.com/errata/RHSA-2019:3245
- https://access.redhat.com/errata/RHSA-2019:3265
- https://access.redhat.com/errata/RHSA-2019:3892
- https://access.redhat.com/errata/RHSA-2019:3906
- https://access.redhat.com/errata/RHSA-2019:4018
- https://access.redhat.com/errata/RHSA-2019:4019
- https://access.redhat.com/errata/RHSA-2019:4021
- https://access.redhat.com/errata/RHSA-2019:4020
- https://access.redhat.com/errata/RHSA-2019:4045
- https://access.redhat.com/errata/RHSA-2019:4042
- https://access.redhat.com/errata/RHSA-2019:4040
- https://access.redhat.com/errata/RHSA-2019:4041
- https://access.redhat.com/errata/RHSA-2019:4269
- https://access.redhat.com/errata/RHSA-2019:4273
- https://access.redhat.com/errata/RHSA-2019:4352
- https://access.redhat.com/errata/RHSA-2020:0406
- https://access.redhat.com/errata/RHSA-2020:0727
- https://usn.ubuntu.com/4308-1/
- https://lists.debian.org/debian-lts-announce/2020/12/msg00011.html
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Affected Vendor
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View all reports →Affected Software
swiftnio, traffic server, debian linux, node.js
Vulnerable Versions:
1.0.0, 6.0.0, 7.0.0, 8.0.0, 10.0, 8.9.0, 10.0.0, 10.13.0, 12.0.0
Timeline
Official Publish:
August 13th, 2019
Last Modified:
August 4th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H