IBM DB2/DB2 Connect Server 11.5 Symbolic Links race condition

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in IBM DB2 and DB2 Connect Server 11.5. Affected by this vulnerability is an unknown functionality of the component Symbolic Links Handler. This manipulation causes race condition. The identification of this vulnerability is CVE-2020-4885. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in IBM DB2 and DB2 Connect Server 11.5 (Database Software) and classified as critical. Affected by this vulnerability is some unknown functionality of the component Symbolic Links Handler. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 06/25/2021. The advisory is shared at ibm.com. This vulnerability is known as CVE-2020-4885. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (190909). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Race condition
CWE: CWE-362
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: 🔍

0-Day Time: 🔍

Timelineinfo

12/30/2019 🔍
06/25/2021 +542 days 🔍
06/25/2021 +0 days 🔍
06/27/2021 +1 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-4885 (🔍)
GCVE (CVE): GCVE-0-2020-4885
GCVE (VulDB): GCVE-100-177529
X-Force: 190909

Entryinfo

Created: 06/25/2021 07:57
Updated: 06/27/2021 00:01
Changes: 06/25/2021 07:57 (38), 06/26/2021 23:51 (6), 06/27/2021 00:01 (1)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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