Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service. The attacker creates multiple request streams and continually shuffles the priority of the streams in a way that causes substantial churn to the priority tree. This can consume excess CPU.
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00031.html
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00032.html
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00003.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00014.html
https://access.redhat.com/errata/RHSA-2019:2692
https://access.redhat.com/errata/RHSA-2019:2745
https://access.redhat.com/errata/RHSA-2019:2746
https://access.redhat.com/errata/RHSA-2019:2775
https://access.redhat.com/errata/RHSA-2019:2799
https://access.redhat.com/errata/RHSA-2019:2925
https://access.redhat.com/errata/RHSA-2019:2939
https://access.redhat.com/errata/RHSA-2019:2949
https://access.redhat.com/errata/RHSA-2019:2955
https://access.redhat.com/errata/RHSA-2019:2966
https://access.redhat.com/errata/RHSA-2019:3041
https://access.redhat.com/errata/RHSA-2019:3932
https://access.redhat.com/errata/RHSA-2019:3933
https://access.redhat.com/errata/RHSA-2019:3935
https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.md
https://kb.cert.org/vuls/id/605641/
https://kc.mcafee.com/corporate/index?page=content&id=SB10296
https://seclists.org/bugtraq/2019/Aug/40
https://seclists.org/bugtraq/2019/Sep/1
https://security.netapp.com/advisory/ntap-20190823-0002/
https://security.netapp.com/advisory/ntap-20190823-0005/
https://support.f5.com/csp/article/K02591030
https://support.f5.com/csp/article/K02591030?utm_source=f5support&utm_medium=RSS
https://usn.ubuntu.com/4099-1/
https://www.debian.org/security/2019/dsa-4505
https://www.debian.org/security/2019/dsa-4511
https://www.debian.org/security/2020/dsa-4669
https://www.oracle.com/security-alerts/cpujan2021.html
https://www.oracle.com/security-alerts/cpuoct2020.html
https://www.synology.com/security/advisory/Synology_SA_19_33
Source: MITRE
Published: 2019-08-13
Updated: 2021-01-30
Type: NVD-CWE-Other
Base Score: 7.8
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 10
Severity: HIGH
Base Score: 7.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 3.9
Severity: HIGH
AND
OR
OR
OR
cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:* versions from 6.0.0 to 6.2.3 (inclusive)
cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:* versions from 7.0.0 to 7.1.6 (inclusive)
cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:* versions from 8.0.0 to 8.0.3 (inclusive)
OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
OR
AND
OR
OR
OR
OR
OR
OR
cpe:2.3:a:redhat:jboss_core_services:1.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.2.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.3.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_service_mesh:1.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:quay:3.0.0:*:*:*:*:*:*:*
OR
OR
cpe:2.3:a:mcafee:web_gateway:*:*:*:*:*:*:*:*
OR
cpe:2.3:a:nginx:nginx:*:*:*:*:*:*:*:*
cpe:2.3:a:nginx:nginx:*:*:*:*:*:*:*:* versions from 1.17.0 to 1.17.2 (inclusive)
OR
cpe:2.3:a:oracle:enterprise_communications_broker:3.1.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:enterprise_communications_broker:3.2.0:*:*:*:*:*:*:*
ID | Name | Product | Family | Severity |
---|---|---|---|---|
148164 | SUSE SLES12 Security Update : nghttp2 (SUSE-SU-2021:0932-1) (Data Dribble) (Resource Loop) | Nessus | SuSE Local Security Checks | high |
145652 | CentOS 8 : nghttp2 (CESA-2019:2692) | Nessus | CentOS Local Security Checks | high |
145622 | CentOS 8 : nginx:1.14 (CESA-2019:2799) | Nessus | CentOS Local Security Checks | high |
145589 | CentOS 8 : nodejs:10 (CESA-2019:2925) | Nessus | CentOS Local Security Checks | high |
145176 | EulerOS 2.0 SP3 : nginx (EulerOS-SA-2021-1101) | Nessus | Huawei Local Security Checks | high |
142242 | EulerOS 2.0 SP2 : nginx (EulerOS-SA-2020-2372) | Nessus | Huawei Local Security Checks | high |
136126 | Debian DSA-4669-1 : nodejs - security update (Data Dribble) (Reset Flood) (Resource Loop) | Nessus | Debian Local Security Checks | high |
132767 | SUSE SLES12 Security Update : nodejs12 (SUSE-SU-2020:0059-1) (0-Length Headers Leak) (Data Dribble) (Empty Frames Flood) (Internal Data Buffering) (Ping Flood) (Reset Flood) (Resource Loop) (Settings Flood) | Nessus | SuSE Local Security Checks | medium |
131216 | RHEL 7 : JBoss Core Services (RHSA-2019:3933) (0-Length Headers Leak) (Data Dribble) (Internal Data Buffering) (Resource Loop) | Nessus | Red Hat Local Security Checks | medium |
131215 | RHEL 6 : JBoss Core Services (RHSA-2019:3932) (0-Length Headers Leak) (Data Dribble) (Internal Data Buffering) (Resource Loop) | Nessus | Red Hat Local Security Checks | medium |
129957 | RHEL 8 : openshift (RHSA-2019:3041) (Data Dribble) (Resource Loop) | Nessus | Red Hat Local Security Checks | high |
129790 | Amazon Linux 2 : nghttp2 (ALAS-2019-1298) (Data Dribble) (Resource Loop) | Nessus | Amazon Linux Local Security Checks | high |
129675 | SUSE SLES15 Security Update : nginx (SUSE-SU-2019:2559-1) (0-Length Headers Leak) (Data Dribble) (Resource Loop) | Nessus | SuSE Local Security Checks | high |
129667 | openSUSE Security Update : nginx (openSUSE-2019-2264) (0-Length Headers Leak) (Data Dribble) (Resource Loop) | Nessus | SuSE Local Security Checks | high |
129569 | Amazon Linux AMI : nginx (ALAS-2019-1299) (0-Length Headers Leak) (Data Dribble) (Resource Loop) | Nessus | Amazon Linux Local Security Checks | high |
129568 | Amazon Linux AMI : nghttp2 (ALAS-2019-1298) (Data Dribble) (Resource Loop) | Nessus | Amazon Linux Local Security Checks | high |
129524 | openSUSE Security Update : nghttp2 (openSUSE-2019-2234) (Data Dribble) (Resource Loop) | Nessus | SuSE Local Security Checks | high |
129522 | openSUSE Security Update : nghttp2 (openSUSE-2019-2232) (Data Dribble) (Resource Loop) | Nessus | SuSE Local Security Checks | high |
129520 | RHEL 6 / 7 : Red Hat JBoss Core Services Apache HTTP Server 2.4.29 SP3 (RHSA-2019:2946) (0-Length Headers Leak) (Data Dribble) (Internal Data Buffering) (Resource Loop) | Nessus | Red Hat Local Security Checks | high |
129514 | Oracle Linux 8 : nodejs:10 (ELSA-2019-2925) (0-Length Headers Leak) (Data Dribble) (Empty Frames Flood) (Internal Data Buffering) (Ping Flood) (Reset Flood) (Resource Loop) (Settings Flood) | Nessus | Oracle Linux Local Security Checks | high |
129480 | RHEL 8 : nodejs:10 (RHSA-2019:2925) (0-Length Headers Leak) (Data Dribble) (Empty Frames Flood) (Internal Data Buffering) (Ping Flood) (Reset Flood) (Resource Loop) (Settings Flood) | Nessus | Red Hat Local Security Checks | high |
129443 | EulerOS 2.0 SP8 : nginx (EulerOS-SA-2019-2084) | Nessus | Huawei Local Security Checks | high |
129401 | SUSE SLED15 / SLES15 Security Update : nghttp2 (SUSE-SU-2019:2473-1) (Data Dribble) (Resource Loop) | Nessus | SuSE Local Security Checks | high |
129089 | RHEL 8 : nginx:1.14 (RHSA-2019:2799) (0-Length Headers Leak) (Data Dribble) (Resource Loop) | Nessus | Red Hat Local Security Checks | high |
129087 | Oracle Linux 8 : nginx:1.14 (ELSA-2019-2799) (0-Length Headers Leak) (Data Dribble) (Resource Loop) | Nessus | Oracle Linux Local Security Checks | high |
128671 | openSUSE Security Update : nginx (openSUSE-2019-2120) (0-Length Headers Leak) (Data Dribble) (Resource Loop) | Nessus | SuSE Local Security Checks | medium |
128669 | openSUSE Security Update : nodejs8 (openSUSE-2019-2115) (0-Length Headers Leak) (Data Dribble) (Empty Frames Flood) (Internal Data Buffering) (Ping Flood) (Reset Flood) (Resource Loop) (Settings Flood) | Nessus | SuSE Local Security Checks | high |
128668 | openSUSE Security Update : nodejs10 (openSUSE-2019-2114) (0-Length Headers Leak) (Data Dribble) (Empty Frames Flood) (Internal Data Buffering) (Ping Flood) (Reset Flood) (Resource Loop) (Settings Flood) | Nessus | SuSE Local Security Checks | high |
128655 | Oracle Linux 8 : nghttp2 (ELSA-2019-2692) (Data Dribble) (Resource Loop) | Nessus | Oracle Linux Local Security Checks | high |
128627 | RHEL 8 : nghttp2 (RHSA-2019:2692) (Data Dribble) (Resource Loop) | Nessus | Red Hat Local Security Checks | high |
128544 | SUSE SLES15 Security Update : nginx (SUSE-SU-2019:2309-1) (0-Length Headers Leak) (Data Dribble) (Resource Loop) | Nessus | SuSE Local Security Checks | medium |
128482 | Fedora 29 : 1:nginx (2019-7a0b45fdc4) (0-Length Headers Leak) (Data Dribble) (Resource Loop) | Nessus | Fedora Local Security Checks | high |
128468 | SUSE SLES15 Security Update : nodejs8 (SUSE-SU-2019:2260-1) (0-Length Headers Leak) (Data Dribble) (Empty Frames Flood) (Internal Data Buffering) (Ping Flood) (Reset Flood) (Resource Loop) (Settings Flood) | Nessus | SuSE Local Security Checks | high |
128467 | SUSE SLES15 Security Update : nodejs10 (SUSE-SU-2019:2259-1) (0-Length Headers Leak) (Data Dribble) (Empty Frames Flood) (Internal Data Buffering) (Ping Flood) (Reset Flood) (Resource Loop) (Settings Flood) | Nessus | SuSE Local Security Checks | high |
128429 | Debian DSA-4511-1 : nghttp2 - security update (Data Dribble) (Resource Loop) | Nessus | Debian Local Security Checks | high |
128411 | SUSE SLES12 Security Update : nodejs10 (SUSE-SU-2019:2254-1) (0-Length Headers Leak) (Data Dribble) (Empty Frames Flood) (Internal Data Buffering) (Ping Flood) (Reset Flood) (Resource Loop) (Settings Flood) | Nessus | SuSE Local Security Checks | high |
128297 | Fedora 29 : nghttp2 (2019-8a437d5c2f) (Data Dribble) (Resource Loop) | Nessus | Fedora Local Security Checks | high |
128133 | Fedora 29 : 1:nodejs (2019-6a2980de56) (0-Length Headers Leak) (Empty Frames Flood) (Internal Data Buffering) (Ping Flood) (Reset Flood) (Resource Loop) (Settings Flood) | Nessus | Fedora Local Security Checks | high |
128131 | Fedora 30 : 1:nodejs (2019-5a6a7bc12c) (0-Length Headers Leak) (Empty Frames Flood) (Internal Data Buffering) (Ping Flood) (Reset Flood) (Resource Loop) (Settings Flood) | Nessus | Fedora Local Security Checks | high |
128085 | Fedora 30 : nghttp2 (2019-81985a8858) (Data Dribble) (Resource Loop) | Nessus | Fedora Local Security Checks | high |
128083 | Debian DSA-4505-1 : nginx - security update (0-Length Headers Leak) (Data Dribble) (Resource Loop) | Nessus | Debian Local Security Checks | high |
128067 | Fedora 30 : 1:nginx (2019-befd924cfe) (0-Length Headers Leak) (Data Dribble) (Resource Loop) | Nessus | Fedora Local Security Checks | high |
128043 | FreeBSD : Node.js -- multiple vulnerabilities (c97a940b-c392-11e9-bb38-000d3ab229d6) (0-Length Headers Leak) (Data Dribble) (Empty Frames Flood) (Internal Data Buffering) (Ping Flood) (Reset Flood) (Resource Loop) (Settings Flood) | Nessus | FreeBSD Local Security Checks | high |
98668 | nginx 1.9.5 < 1.16.1 Multiple Vulnerabilties | Web Application Scanning | Component Vulnerability | high |
98667 | nginx 1.17.x < 1.17.3 Multiple Vulnerabilties | Web Application Scanning | Component Vulnerability | high |
128024 | Ubuntu 16.04 LTS / 18.04 LTS / 19.04 : nginx vulnerabilities (USN-4099-1) (0-Length Headers Leak) (Data Dribble) (Resource Loop) | Nessus | Ubuntu Local Security Checks | high |
127950 | FreeBSD : NGINX -- Multiple vulnerabilities (87679fcb-be60-11e9-9051-4c72b94353b5) (0-Length Headers Leak) (Data Dribble) (Resource Loop) | Nessus | FreeBSD Local Security Checks | high |
127945 | FreeBSD : nghttp2 -- multiple vulnerabilities (121fec01-c042-11e9-a73f-b36f5969f162) (Data Dribble) (Resource Loop) | Nessus | FreeBSD Local Security Checks | high |
127907 | nginx 1.9.5 < 1.16.1 / 1.17.x < 1.17.3 Multiple Vulnerabilities | Nessus | Web Servers | high |
701146 | nginx < 1.16.1 (stable) / 1.17.3 (mainline) Multiple DoS | Nessus Network Monitor | Web Servers | high |
127850 | KB4512517: Windows 10 Version 1607 and Windows Server 2016 August 2019 Security Update | Nessus | Windows : Microsoft Bulletins | critical |
127849 | KB4512516: Windows 10 Version 1709 August 2019 Security Update | Nessus | Windows : Microsoft Bulletins | critical |
127848 | KB4512508: Windows 10 Version 1903 August 2019 Security Update | Nessus | Windows : Microsoft Bulletins | critical |
127847 | KB4512507: Windows 10 Version 1703 August 2019 Security Update | Nessus | Windows : Microsoft Bulletins | critical |
127845 | KB4512501: Windows 10 Version 1803 August 2019 Security Update | Nessus | Windows : Microsoft Bulletins | critical |
127844 | KB4512497: Windows 10 August 2019 Security Update | Nessus | Windows : Microsoft Bulletins | critical |
127841 | KB4511553: Windows 10 Version 1809 and Windows Server 2019 August 2019 Security Update | Nessus | Windows : Microsoft Bulletins | critical |