CVE-2023-21971 Denial of service in MySQL Connectors
High-privileged attackers can cause a complete denial of service and unauthorized data access in MySQL Connector/J via difficult-to-exploit network attacks.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-21971?
CVE-2023-21971 is a medium-severity denial of service vulnerability in Netapp Active Iq Unified Manager, published on 18 Apr 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/J). Supported versions that are affected are 8.0.32 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Connectors as well as unauthorized update, insert or delete access to some of MySQL Connectors accessible data and unauthorized read access to a subset of MySQL Connectors accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:H).
Which versions are affected by CVE-2023-21971?
It affects 6 products.
Linux distribution packages (4)
mysql-connector-java openSUSE:Leap 15.4 | All versions | 8.0.32-150200.3.15.1 |
mysql-connector-java openSUSE:Leap 15.4 | All versions | 8.0.33-150200.3.18.1 |
mysql-connector-java openSUSE:Leap 15.5 | All versions | 8.0.33-150200.3.18.1 |
mysql-connector-java openSUSE:Tumbleweed | All versions | 8.0.33-2.1 |
Products include Netapp Active Iq Unified Manager, Netapp Oncommand Insight, Netapp Snapcenter, Oracle Communications Cloud Native Core Binding Support Function, Oracle Communications Cloud Native Core Policy, Oracle Mysql Connectors.
How do I fix CVE-2023-21971?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-21971 being exploited?
There is no known exploitation of CVE-2023-21971 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Netapp Active Iq Unified Manager
Sources
Also known as GHSA-8273-q4gg-6jm9, SUSE-SU-2023:2241-1, SUSE-SU-2023:2979-1, UBUNTU-CVE-2023-21971, openSUSE-SU-2024:12927-1.