7.5
HIGH
CVE-2020-7469
FreeBSD Use-After-Free Vulnerability in ICMPv6 Routing Option Handler
Description

In FreeBSD 12.2-STABLE before r367402, 11.4-STABLE before r368202, 12.2-RELEASE before p1, 12.1-RELEASE before p11 and 11.4-RELEASE before p5 the handler for a routing option caches a pointer into the packet buffer holding the ICMPv6 message. However, when processing subsequent options the packet buffer may be freed, rendering the cached pointer invalid. The network stack may later dereference the pointer, potentially triggering a use-after-free.

INFO

Published Date :

June 4, 2021, 12:15 p.m.

Last Modified :

May 31, 2022, 3:54 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2020-7469 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Freebsd freebsd
1 Netapp clustered_data_ontap
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-7469.

URL Resource
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:31.icmp6.asc Vendor Advisory
https://security.netapp.com/advisory/ntap-20210720-0001/ Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-7469 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-7469 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    May. 31, 2022

    Action Type Old Value New Value
    Changed Reference Type https://security.netapp.com/advisory/ntap-20210720-0001/ No Types Assigned https://security.netapp.com/advisory/ntap-20210720-0001/ Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jul. 20, 2021

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20210720-0001/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Jun. 14, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://security.FreeBSD.org/advisories/FreeBSD-SA-20:31.icmp6.asc No Types Assigned https://security.FreeBSD.org/advisories/FreeBSD-SA-20:31.icmp6.asc Vendor Advisory
    Added CWE NIST CWE-416
    Added CPE Configuration OR *cpe:2.3:o:freebsd:freebsd:11.4:-:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.4:beta1:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.4:p1:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.4:p2:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.4:p3:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.4:p4:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.4:rc1:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.4:rc2:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.1:p10:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.1:p2:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.1:p3:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.1:p4:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.1:p5:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.1:p6:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.1:p7:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.1:p8:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.1:p9:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-7469 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-7469 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.12 }} 0.01%

score

0.44331

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability