What is CVE-2020-14305?

CVE-2020-14305 is a High severity Linux kernel vulnerability with a CVSS score of 8.1 out of 10, classified as a Out-of-bounds Write flaw (CWE-787). CVE-2020-14305 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2020-14305?

CVE-2020-14305 has a CVSS score of 8.1 out of 10, rated High severity. The vector string is CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2020-14305?

No patch is currently available for CVE-2020-14305. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2020-14305 actively exploited?

CVE-2020-14305 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/787.html

CVE-2020-14305

High

An out-of-bounds memory write flaw was found in how the Linux kernel’s Voice Over IP H.323 connection tracking functionality handled connections on ipv6 port 1720. This flaw allows an unauthenticated remote user to crash the system, causing a denial of service. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Package Linux Kernel

Published 2020-12-02

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

8.1

out of 10

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-787

CVE-2020-14305 is a Out-of-bounds Write vulnerability

What is Out-of-bounds Write?

The product writes data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2020-14305 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Bugs
https://bugs.openvz.org/browse/OVZ-7188

Exploit Third Party Advisory
Patchwork
https://patchwork.ozlabs.org/project/netfilter-devel/patch/c2385b5c-309c-cc64-2e10-a0ef62897502%40virtuozzo.com/
Security
https://security.netapp.com/advisory/ntap-20201210-0004/

Third Party Advisory
Kernel patch commit
https://bugzilla.redhat.com/show_bug.cgi?id=1850716
Patch

Details

CVE ID CVE-2020-14305

Severity High

CVSS score 8.1 / 10

CVSS version 3.1

Published 2020-12-02

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2020-14305?

CVE-2020-14305 is a High severity Linux kernel vulnerability with a CVSS score of 8.1 out of 10 , classified as an Out-of-bounds Write flaw (CWE-787) . CVE-2020-14305 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2020-14305?

CVE-2020-14305 has a CVSS score of 8.1 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2020-14305?

No patch is currently available for CVE-2020-14305. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2020-14305 actively exploited?

No — CVE-2020-14305 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. View CWE-787 on MITRE CWE →