Cleartext Transmission of Sensitive Information Affecting kernel-abi-whitelists package, versions <0:3.10.0-1160.el7


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.18% (56th percentile)

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  • Snyk IDSNYK-CENTOS7-KERNELABIWHITELISTS-2173663
  • published26 Jul 2021
  • disclosed4 Mar 2020

Introduced: 4 Mar 2020

CVE-2020-1749  (opens in a new tab)
CWE-319  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade Centos:7 kernel-abi-whitelists to version 0:3.10.0-1160.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-abi-whitelists package and not the kernel-abi-whitelists package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

A flaw was found in the Linux kernel's implementation of some networking protocols in IPsec, such as VXLAN and GENEVE tunnels over IPv6. When an encrypted tunnel is created between two hosts, the kernel isn't correctly routing tunneled data over the encrypted link; rather sending the data unencrypted. This would allow anyone in between the two endpoints to read the traffic unencrypted. The main threat from this vulnerability is to data confidentiality.

CVSS Scores

version 3.1