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CVE-2021-21331
March 03, 2021
The Java client for the Datadog API before version 1.0.0-beta.9 has a local information disclosure of sensitive information downloaded via the API using the API Client. The Datadog API is executed on a unix-like system with multiple users. The API is used to download a file containing sensitive information. This sensitive information is exposed locally to other users. This vulnerability exists in the API Client for version 1 and 2. The method "prepareDownloadFilecreates" creates a temporary file with the permissions bits of "-rw-r--r--" on unix-like systems. On unix-like systems, the system temporary directory is shared between users. As such, the contents of the file downloaded via the "downloadFileFromResponse" method will be visible to all other users on the local system. Analysis of the finding determined that the affected code was unused, meaning that the exploitation likelihood is low. The unused code has been removed, effectively mitigating this issue. This issue has been patched in version 1.0.0-beta.9. As a workaround one may specify "java.io.tmpdir" when starting the JVM with the flag "-Djava.io.tmpdir", specifying a path to a directory with "drw-------" permissions owned by "dd-agent".
Affected Packages
com.datadoghq:datadog-api-client (JAVA):
Affected version(s) >=1.0.0-beta.6 <1.0.0-beta.9
Fix Suggestion:
Update to version 1.0.0-beta.9
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CVSS v4
Base Score:
2.1
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
CVSS v2
Base Score:
4.3
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Weakness Type (CWE)
Creation of Temporary File With Insecure Permissions
Creation of Temporary File in Directory with Insecure Permissions
EPSS
Base Score:
0.20