5.3
MEDIUM
CVE-2020-26422
Wireshark QUIC Denial of Service Buffer Overflow
Description

Buffer overflow in QUIC dissector in Wireshark 3.4.0 to 3.4.1 allows denial of service via packet injection or crafted capture file

INFO

Published Date :

Dec. 21, 2020, 6:15 p.m.

Last Modified :

Sept. 2, 2022, 3:32 p.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2020-26422 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 Oracle zfs_storage_appliance_kit
1 Wireshark wireshark
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-2020-26422.

URL Resource
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26422.json Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/17073 Issue Tracking Third Party Advisory
https://security.gentoo.org/glsa/202101-12 Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html Patch Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2020-20.html Vendor 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-2020-26422 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-26422 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]

    Sep. 02, 2022

    Action Type Old Value New Value
    Changed Reference Type https://www.oracle.com/security-alerts/cpuApr2021.html No Types Assigned https://www.oracle.com/security-alerts/cpuApr2021.html Patch, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jun. 14, 2021

    Action Type Old Value New Value
    Added Reference https://www.oracle.com/security-alerts/cpuApr2021.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Jan. 29, 2021

    Action Type Old Value New Value
    Changed Reference Type https://security.gentoo.org/glsa/202101-12 No Types Assigned https://security.gentoo.org/glsa/202101-12 Third Party Advisory
  • CVE Modified by [email protected]

    Jan. 26, 2021

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202101-12 [No Types Assigned]
  • Initial Analysis by [email protected]

    Dec. 23, 2020

    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:L
    Changed Reference Type https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26422.json No Types Assigned https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26422.json Third Party Advisory
    Changed Reference Type https://gitlab.com/wireshark/wireshark/-/issues/17073 No Types Assigned https://gitlab.com/wireshark/wireshark/-/issues/17073 Issue Tracking, Third Party Advisory
    Changed Reference Type https://www.wireshark.org/security/wnpa-sec-2020-20.html No Types Assigned https://www.wireshark.org/security/wnpa-sec-2020-20.html Vendor Advisory
    Added CWE NIST CWE-120
    Added CPE Configuration OR *cpe:2.3:a:wireshark:wireshark:3.4.0:*:*:*:*:*:*:* *cpe:2.3:a:wireshark:wireshark:3.4.1:*:*:*:*:*:*:*
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-2020-26422 is associated with the following CWEs:

Exploit Prediction

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

0.18 }} 0.03%

score

0.56169

percentile

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