Oracle Database Server 12.1.0.2/12.2.0.1/19c/21c Core RDBMS denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Oracle Database Server 12.1.0.2/12.2.0.1/19c/21c. The affected element is an unknown function of the component Core RDBMS. Performing a manipulation results in denial of service. This vulnerability is identified as CVE-2021-35558. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Oracle Database Server 12.1.0.2/12.2.0.1/19c/21c (Database Software). It has been classified as critical. This affects some unknown functionality of the component Core RDBMS. 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 released 10/19/2021 as Oracle Critical Patch Update Advisory - October 2021. The advisory is shared at oracle.com. This vulnerability is uniquely identified as CVE-2021-35558. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector (Oracle): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: 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 Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

06/28/2021 🔍
10/19/2021 +113 days 🔍
10/19/2021 +0 days 🔍
10/20/2021 +1 days 🔍
10/23/2021 +3 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - October 2021
Status: Confirmed

CVE: CVE-2021-35558 (🔍)
GCVE (CVE): GCVE-0-2021-35558
GCVE (VulDB): GCVE-100-184641

Entryinfo

Created: 10/20/2021 08:09
Updated: 10/23/2021 09:52
Changes: 10/20/2021 08:09 (40), 10/23/2021 09:49 (2), 10/23/2021 09:52 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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