CVE-2021-34538

Apache Hive Security vulnerability in Hive with UDFs

Description

Apache Hive before 3.1.3 "CREATE" and "DROP" function operations does not check for necessary authorization of involved entities in the query. It was found that an unauthorized user can manipulate an existing UDF without having the privileges to do so. This allowed unauthorized or underprivileged users to drop and recreate UDFs pointing them to new jars that could be potentially malicious.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.24%
Vendor Advisory apache.org
Affected: Apache Software Foundation Apache Hive
Published at:
Updated at:

References

Link Tags
https://lists.apache.org/thread/oqqgnhz4c6nxsfd0xstosnk0g15f7354 vendor advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-34538?
CVE-2021-34538 has been scored as a high severity vulnerability.
How to fix CVE-2021-34538?
To fix CVE-2021-34538, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-34538 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-34538 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-34538?
CVE-2021-34538 affects Apache Software Foundation Apache Hive.
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