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nvd[email protected]NVD:CVE-2019-9515
HistoryAug 13, 2019 - 9:15 p.m.

CVE-2019-9515

2019-08-1321:15:12
CWE-400
CWE-770
web.nvd.nist.gov
7

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.5

Confidence

High

EPSS

0.039

Percentile

92.1%

Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service. The attacker sends a stream of SETTINGS frames to the peer. Since the RFC requires that the peer reply with one acknowledgement per SETTINGS frame, an empty SETTINGS frame is almost equivalent in behavior to a ping. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.

Affected configurations

Nvd
Node
appleswiftnioRange1.0.01.4.0
AND
applemac_os_xRange10.12
OR
canonicalubuntu_linuxRange14.04
Node
apachetraffic_serverRange6.0.06.2.3
OR
apachetraffic_serverRange7.0.07.1.6
OR
apachetraffic_serverRange8.0.08.0.3
Node
canonicalubuntu_linuxMatch16.04lts
OR
canonicalubuntu_linuxMatch18.04lts
OR
canonicalubuntu_linuxMatch19.04
Node
debiandebian_linuxMatch9.0
OR
debiandebian_linuxMatch10.0
Node
synologydiskstation_managerMatch6.2
OR
synologyskynasMatch-
Node
synologyvs960hd_firmwareMatch-
AND
synologyvs960hdMatch-
Node
fedoraprojectfedoraMatch29
OR
fedoraprojectfedoraMatch30
Node
opensuseleapMatch15.0
OR
opensuseleapMatch15.1
Node
redhatjboss_core_servicesMatch1.0
OR
redhatjboss_enterprise_application_platformMatch7.2.0
OR
redhatjboss_enterprise_application_platformMatch7.3.0
OR
redhatopenshift_container_platformMatch4.1
OR
redhatopenshift_service_meshMatch1.0
OR
redhatopenstackMatch14
OR
redhatquayMatch3.0.0
OR
redhatsingle_sign-onMatch7.3
OR
redhatsoftware_collectionsMatch1.0
OR
redhatenterprise_linuxMatch8.0
Node
oraclegraalvmMatch19.2.0enterprise
Node
mcafeeweb_gatewayRange7.7.2.07.7.2.24
OR
mcafeeweb_gatewayRange7.8.2.07.8.2.13
OR
mcafeeweb_gatewayRange8.1.08.2.0
Node
f5big-ip_local_traffic_managerRange11.6.111.6.5.1
OR
f5big-ip_local_traffic_managerRange12.1.012.1.5.1
OR
f5big-ip_local_traffic_managerRange13.1.013.1.3.2
OR
f5big-ip_local_traffic_managerRange14.0.014.0.1.1
OR
f5big-ip_local_traffic_managerRange14.1.014.1.2.1
OR
f5big-ip_local_traffic_managerRange15.0.015.0.1.1
Node
nodejsnode.jsRange8.0.08.8.1-
OR
nodejsnode.jsRange8.9.08.16.1lts
OR
nodejsnode.jsRange10.0.010.12.0-
OR
nodejsnode.jsRange10.13.010.16.3lts
OR
nodejsnode.jsRange12.0.012.8.1-
VendorProductVersionCPE
appleswiftnio*cpe:2.3:a:apple:swiftnio:*:*:*:*:*:*:*:*
applemac_os_x*cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
canonicalubuntu_linux*cpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
apachetraffic_server*cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*
canonicalubuntu_linux16.04cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
canonicalubuntu_linux18.04cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
canonicalubuntu_linux19.04cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
debiandebian_linux9.0cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
debiandebian_linux10.0cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
synologydiskstation_manager6.2cpe:2.3:a:synology:diskstation_manager:6.2:*:*:*:*:*:*:*
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References

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.5

Confidence

High

EPSS

0.039

Percentile

92.1%