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Vulnerability Details : CVE-2020-25645

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.
Publish Date : 2020-10-13 Last Update Date : 2021-03-26
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 319

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2021:0856: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20210856 unix
RHSA-2021:0857: kernel-rt security and bug fix update (Important) oval:com.redhat.rhsa:def:20210857 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2020-25645

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 14.04 * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 16.04 * * * Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 18.04 * * * Version Details Vulnerabilities
4 OS Canonical Ubuntu Linux 20.04 * * * Version Details Vulnerabilities
5 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
6 OS Debian Debian Linux 10.0 * * * Version Details Vulnerabilities
7 OS Linux Linux Kernel * * * * Version Details Vulnerabilities
8 OS Linux Linux Kernel 5.9.0 - * * Version Details Vulnerabilities
9 OS Linux Linux Kernel 5.9.0 RC6 * * Version Details Vulnerabilities
10 OS Linux Linux Kernel 5.9.0 RC1 * * Version Details Vulnerabilities
11 OS Linux Linux Kernel 5.9.0 RC2 * * Version Details Vulnerabilities
12 OS Linux Linux Kernel 5.9.0 RC3 * * Version Details Vulnerabilities
13 OS Linux Linux Kernel 5.9.0 RC4 * * Version Details Vulnerabilities
14 OS Linux Linux Kernel 5.9.0 RC5 * * Version Details Vulnerabilities
15 Application Netapp Solidfire \& Hci Management Node - * * * Version Details Vulnerabilities
16 Application Netapp Solidfire \& Hci Storage Node - * * * Version Details Vulnerabilities
17 OS Opensuse Leap 15.1 * * * Version Details Vulnerabilities
18 OS Opensuse Leap 15.2 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 4
Debian Debian Linux 2
Linux Linux Kernel 8
Netapp Solidfire \& Hci Management Node 1
Netapp Solidfire \& Hci Storage Node 1
Opensuse Leap 2

- References For CVE-2020-25645

https://bugzilla.redhat.com/show_bug.cgi?id=1883988
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00035.html
SUSE openSUSE-SU-2020:1682
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html
SUSE openSUSE-SU-2020:1698
https://www.debian.org/security/2020/dsa-4774
DEBIAN DSA-4774
https://lists.debian.org/debian-lts-announce/2020/10/msg00028.html
MLIST [debian-lts-announce] 20201028 [SECURITY] [DLA 2417-1] linux-4.19 security update
https://security.netapp.com/advisory/ntap-20201103-0004/ CONFIRM
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
MLIST [debian-lts-announce] 20201218 [SECURITY] [DLA 2494-1] linux security update
http://packetstormsecurity.com/files/161229/Kernel-Live-Patch-Security-Notice-LSN-0074-1.html

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0

- Metasploit Modules Related To CVE-2020-25645

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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