Medium severity · published Mar 16, 2021
CVE-2020-1926
Apache Hive cookie signature verification used a non constant time comparison which is known to be vulnerable to timing attacks
5.9
CVSS
2.5%
EPSS
No
On KEV
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
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.5% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HI
Hive · Apache
before 2.3.8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-1926
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-1926
Issue Tracking
https://issues.apache.org/jira/browse/HIVE-22708
Mailing List
https://lists.apache.org/thread.html/rd186eedff68102ba1e68059a808101c5aa587e11542c7dcd26e7b9d7%40%3Cuser.hive.apache.org%3E
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