CVE-2020-1926 Timing attack in Cookie signature verification
Attackers can recover user cookie signatures via timing attacks, potentially leading to account takeover in Apache Hive deployments.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-1926?
CVE-2020-1926 is a medium-severity vulnerability in Apache Hive, published on 16 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Apache Hive cookie signature verification used a non constant time comparison which is known to be vulnerable to timing attacks. This could allow recovery of another users cookie signature. The issue was addressed in Apache Hive 2.3.8
Which versions are affected by CVE-2020-1926?
2 open source packages ship an affected version, including org.apache.hive:hive. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.hive:hive Maven | All versions | 2.3.8 |
org.apache.hive:hive Maven | All versions | 2.3.8 |
Products include Apache Hive.
How do I fix CVE-2020-1926?
Upgrade org.apache.hive:hive to 2.3.8 or later.
Is CVE-2020-1926 being exploited?
There is no known exploitation of CVE-2020-1926 in the wild and no public exploit code.
Other vulnerabilities in Apache Hive
- CVE-2026-49845 Apache Hive: SQL Injection vulnerability in HiveMetaStore partition-name direct-SQL paths
- CVE-2018-21234 Deserialization of Untrusted Data in Jodd
- CVE-2026-55976 Apache Hive: SSRF vulnerability in Hive Avro Serde due to Insufficient input validation on avro.schema.url
- CVE-2018-1282 SQL Injection in hive-jdbc
- CVE-2022-41137 Apache Hive: Deserialization of untrusted data when fetching partitions from the Metastore
Sources
Also known as GHSA-54g4-5cf6-hjp3.