Apache Hive Security vulnerability in Hive with UDFs
CVE-2021-34538
7.5HIGH
Summary
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.
Affected Version(s)
Apache Hive Apache Hive < 3.1.3
References
CVSS V3.1
Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged
Timeline
Vulnerability published
Vulnerability Reserved
Credit
This vulnerability was discovered and reported by Hideyuki Furue.