CVE-2020-25645

MEDIUM

Description

A flaw was found in the Linux kernel in versions before 5.9-rc7. Traffic between two Geneve endpoints may be unencrypted when IPsec is configured to encrypt traffic for the specific UDP port used by the GENEVE tunnel allowing anyone between the two endpoints to read the traffic unencrypted. The main threat from this vulnerability is to data confidentiality.

References

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00035.html

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html

https://bugzilla.redhat.com/show_bug.cgi?id=1883988

https://www.debian.org/security/2020/dsa-4774

Details

Source: MITRE

Published: 2020-10-13

Updated: 2020-10-20

Type: CWE-319

Risk Information

CVSS v2.0

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH