Oracle MySQL Server up to 8.0.21 Charsets denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.7 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Oracle MySQL Server up to 8.0.21 and classified as critical. Affected is an unknown function of the component Charsets. The manipulation results in denial of service. This vulnerability is reported as CVE-2020-14852. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.
Details
A vulnerability, which was classified as critical, was found in Oracle MySQL Server up to 8.0.21 (Database Software). Affected is an unknown code of the component Charsets. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.
The weakness was disclosed 10/20/2020 as Oracle Critical Patch Update Advisory - October 2020. The advisory is shared for download at oracle.com. This vulnerability is traded as CVE-2020-14852. The exploitability is told to be easy. It is possible to launch the attack remotely. Additional levels of successful authentication are required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.
Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
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Product
Type
Vendor
Name
Version
- 8.0.0
- 8.0.1
- 8.0.2
- 8.0.3
- 8.0.4
- 8.0.5
- 8.0.6
- 8.0.7
- 8.0.8
- 8.0.9
- 8.0.10
- 8.0.11
- 8.0.12
- 8.0.13
- 8.0.14
- 8.0.15
- 8.0.16
- 8.0.17
- 8.0.18
- 8.0.19
- 8.0.20
- 8.0.21
License
Website
- Vendor: https://www.oracle.com
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.9VulDB Meta Temp Score: 4.7
VulDB Base Score: 4.9
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
06/19/2020 🔍10/20/2020 🔍
10/20/2020 🔍
10/21/2020 🔍
11/24/2020 🔍
Sources
Vendor: oracle.comAdvisory: Oracle Critical Patch Update Advisory - October 2020
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2020-14852 (🔍)
GCVE (CVE): GCVE-0-2020-14852
GCVE (VulDB): GCVE-100-163272
Entry
Created: 10/21/2020 20:48Updated: 11/24/2020 17:28
Changes: 10/21/2020 20:48 (40), 11/24/2020 17:23 (3), 11/24/2020 17:28 (8)
Complete: 🔍
Cache ID: 216::103
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