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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Description
The flow_dissector feature in the Linux kernel 4.3 through 5.x before 5.3.10 has a device tracking vulnerability, aka CID-55667441c84f. This occurs because the auto flowlabel of a UDP IPv6 packet relies on a 32-bit hashrnd value as a secret, and because jhash (instead of siphash) is used. The hashrnd value remains the same starting from boot time, and can be inferred by an attacker. This affects net/core/flow_dissector.c and related code.
Metrics
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OR
*cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
*cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
*cpe:2.3:a:netapp:data_availability_services:-:*:*:*:*:*:*:*
*cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:* versions from (including) 11.0.0 up to (including) 11.70.1
*cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*
*cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
*cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:
Added
CPE Configuration
OR
*cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Changed
Reference Type
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html No Types Assigned
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html Mailing List, Third Party Advisory
Changed
Reference Type
https://security.netapp.com/advisory/ntap-20200204-0002/ No Types Assigned
https://security.netapp.com/advisory/ntap-20200204-0002/ Third Party Advisory
Changed
Reference Type
https://www.computer.org/csdl/proceedings-article/sp/2020/349700b594/1j2LgrHDR2o No Types Assigned
https://www.computer.org/csdl/proceedings-article/sp/2020/349700b594/1j2LgrHDR2o Third Party Advisory
The flow_dissector feature in the Linux kernel 4.3 through 5.x before 5.3.10 has a device tracking vulnerability, aka CID-55667441c84f. This occurs because the auto flowlabel of a UDP IPv6 packet relies on a 32-bit hashrnd value as a secret, and because jhash (instead of siphash) is used. The hashmd value remains the same starting from boot time, and can be inferred by an attacker. This affects net/core/flow_dissector.c and related code.
The flow_dissector feature in the Linux kernel 4.3 through 5.x before 5.3.10 has a device tracking vulnerability, aka CID-55667441c84f. This occurs because the auto flowlabel of a UDP IPv6 packet relies on a 32-bit hashrnd value as a secret, and because jhash (instead of siphash) is used. The hashrnd value remains the same starting from boot time, and can be inferred by an attacker. This affects net/core/flow_dissector.c and related code.
CVE Modified by MITRE1/21/2020 8:15:11 AM
Action
Type
Old Value
New Value
Changed
Description
The flow_dissector feature in the Linux kernel 4.3 through 5.x before 5.3.10 has a device tracking vulnerability, aka CID-55667441c84f. This occurs because the auto flowlabel of a UDP IPv6 packet relies on a 32-bit hashmd value as a secret, and because jhash (instead of siphash) is used. The hashmd value remains the same starting from boot time, and can be inferred by an attacker. This affects net/core/flow_dissector.c and related code.
The flow_dissector feature in the Linux kernel 4.3 through 5.x before 5.3.10 has a device tracking vulnerability, aka CID-55667441c84f. This occurs because the auto flowlabel of a UDP IPv6 packet relies on a 32-bit hashrnd value as a secret, and because jhash (instead of siphash) is used. The hashmd value remains the same starting from boot time, and can be inferred by an attacker. This affects net/core/flow_dissector.c and related code.
Quick Info
CVE Dictionary Entry: CVE-2019-18282 NVD
Published Date: 01/16/2020 NVD
Last Modified: 11/20/2024
Source: MITRE
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