5.5
MEDIUM
CVE-2021-46668
MariaDB Uncontrolled Resource Consumption Denial of Service Vulnerability
Description

MariaDB through 10.5.9 allows an application crash via certain long SELECT DISTINCT statements that improperly interact with storage-engine resource limitations for temporary data structures.

INFO

Published Date :

Feb. 1, 2022, 2:15 a.m.

Last Modified :

Nov. 7, 2023, 3:40 a.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-46668 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 Fedoraproject fedora
1 Mariadb mariadb
: Total Affected Vendor : 2 | Products : 2
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-2021-46668.

URL Resource
https://jira.mariadb.org/browse/MDEV-25787 Exploit Issue Tracking Patch Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DKJRBYJAQCOPHSED43A3HUPNKQLDTFGD/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZFZVMJL5UDTOZMARLXQIMG3BTG6UNYW/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJ4KDAGF3H4D4BDTHRAM6ZEAJJWWMRUO/
https://mariadb.com/kb/en/security/ Patch Vendor Advisory
https://security.netapp.com/advisory/ntap-20220221-0002/ 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-2021-46668 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-46668 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
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJ4KDAGF3H4D4BDTHRAM6ZEAJJWWMRUO/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DKJRBYJAQCOPHSED43A3HUPNKQLDTFGD/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZFZVMJL5UDTOZMARLXQIMG3BTG6UNYW/ [No types assigned]
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/NJ4KDAGF3H4D4BDTHRAM6ZEAJJWWMRUO/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/DKJRBYJAQCOPHSED43A3HUPNKQLDTFGD/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/EZFZVMJL5UDTOZMARLXQIMG3BTG6UNYW/
  • Modified Analysis by [email protected]

    Sep. 10, 2022

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/DKJRBYJAQCOPHSED43A3HUPNKQLDTFGD/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/DKJRBYJAQCOPHSED43A3HUPNKQLDTFGD/ Mailing List, Patch, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/EZFZVMJL5UDTOZMARLXQIMG3BTG6UNYW/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/EZFZVMJL5UDTOZMARLXQIMG3BTG6UNYW/ Mailing List, Patch, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/NJ4KDAGF3H4D4BDTHRAM6ZEAJJWWMRUO/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/NJ4KDAGF3H4D4BDTHRAM6ZEAJJWWMRUO/ Mailing List, Patch, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 08, 2022

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/DKJRBYJAQCOPHSED43A3HUPNKQLDTFGD/ [No Types Assigned]
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/EZFZVMJL5UDTOZMARLXQIMG3BTG6UNYW/ [No Types Assigned]
  • CVE Modified by [email protected]

    May. 07, 2022

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/NJ4KDAGF3H4D4BDTHRAM6ZEAJJWWMRUO/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Apr. 13, 2022

    Action Type Old Value New Value
    Changed Reference Type https://mariadb.com/kb/en/security/ No Types Assigned https://mariadb.com/kb/en/security/ Patch, Vendor Advisory
  • CVE Modified by [email protected]

    Mar. 15, 2022

    Action Type Old Value New Value
    Added Reference https://mariadb.com/kb/en/security/ [No Types Assigned]
  • Reanalysis by [email protected]

    Mar. 08, 2022

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Mar. 07, 2022

    Action Type Old Value New Value
    Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:N/I:N/A:P)
    Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • Reanalysis by [email protected]

    Mar. 02, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* versions from (including) 10.2.0 up to (excluding) 10.5.15 *cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* versions from (including) 10.6.0 up to (excluding) 10.6.7 *cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* versions from (including) 10.7.0 up to (excluding) 10.7.3 OR *cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* versions from (including) 10.2.0 up to (excluding) 10.2.43 *cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* versions from (including) 10.3.0 up to (excluding) 10.3.34 *cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* versions from (including) 10.4.0 up to (excluding) 10.4.24 *cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* versions from (including) 10.5.0 up to (excluding) 10.5.15 *cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* versions from (including) 10.6.0 up to (excluding) 10.6.7 *cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* versions from (including) 10.7.0 up to (excluding) 10.7.3
  • Modified Analysis by [email protected]

    Mar. 02, 2022

    Action Type Old Value New Value
    Changed Reference Type https://jira.mariadb.org/browse/MDEV-25787 Exploit, Issue Tracking, Patch, Third Party Advisory https://jira.mariadb.org/browse/MDEV-25787 Exploit, Issue Tracking, Patch, Vendor Advisory
    Changed Reference Type https://security.netapp.com/advisory/ntap-20220221-0002/ No Types Assigned https://security.netapp.com/advisory/ntap-20220221-0002/ Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* versions up to (including) 10.5.9 OR *cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* versions from (including) 10.2.0 up to (excluding) 10.5.15 *cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* versions from (including) 10.6.0 up to (excluding) 10.6.7 *cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* versions from (including) 10.7.0 up to (excluding) 10.7.3
  • CVE Modified by [email protected]

    Feb. 21, 2022

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20220221-0002/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Feb. 03, 2022

    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://jira.mariadb.org/browse/MDEV-25787 No Types Assigned https://jira.mariadb.org/browse/MDEV-25787 Exploit, Issue Tracking, Patch, Third Party Advisory
    Added CWE NIST CWE-400
    Added CPE Configuration OR *cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* versions up to (including) 10.5.9
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-2021-46668 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-2021-46668 weaknesses.

Exploit Prediction

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

0.08 }} 0.01%

score

0.31507

percentile

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