Ubuntu.comUB:CVE-2023-21840CVE-2023-21840
4.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
3.3 Low
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
MULTIPLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:M/C:N/I:N/A:P
0.001 Low
EPSS
Percentile
20.4%
Vulnerability in the MySQL Server product of Oracle MySQL (component:
Server: PS). Supported versions that are affected are 5.7.40 and prior.
Easily exploitable vulnerability allows high privileged attacker with
network access via multiple protocols to compromise MySQL Server.
Successful attacks of this vulnerability can result in unauthorized ability
to cause a hang or frequently repeatable crash (complete DOS) of MySQL
Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector:
(CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
Notes
| Author | Note |
|---|---|
| leosilva | since 5.5 is no longer upstream supported and so far we cannot patch it, marking it as ignored. |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 16.04 | noarch | mariadb-10.0 | < any | UNKNOWN |
| ubuntu | 18.04 | noarch | mariadb-10.1 | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | mariadb-10.3 | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | mariadb-10.6 | < any | UNKNOWN |
| ubuntu | 18.04 | noarch | mysql-5.7 | < 5.7.41-0ubuntu0.18.04.1 | UNKNOWN |
| ubuntu | 16.04 | noarch | mysql-5.7 | < 5.7.41-0ubuntu0.16.04.1+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
| ubuntu | 16.04 | noarch | percona-server-5.6 | < any | UNKNOWN |
| ubuntu | 16.04 | noarch | percona-xtradb-cluster-5.6 | < any | UNKNOWN |
References
launchpad.net/bugs/cve/CVE-2023-21840
nvd.nist.gov/vuln/detail/CVE-2023-21840
security-tracker.debian.org/tracker/CVE-2023-21840
ubuntu.com/security/notices/USN-5823-1
ubuntu.com/security/notices/USN-5823-2
www.cve.org/CVERecord?id=CVE-2023-21840
www.oracle.com/security-alerts/cpujan2023.html#AppendixMSQL
Related
4.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
3.3 Low
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
MULTIPLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:M/C:N/I:N/A:P
0.001 Low
EPSS
Percentile
20.4%