Vulnerability CVE-2021-39234
Published: 2021-11-19

Description:
In Apache Ozone versions prior to 1.2.0, Authenticated users knowing the ID of an existing block can craft specific request allowing access those blocks, bypassing other security checks like ACL.

Type:

CWE-863

 (Incorrect Authorization)

CVSS2 => (AV:N/AC:M/Au:S/C:P/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.9/10
4.9/10
6.8/10
Exploit range
Attack complexity
Authentication
Remote
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Apache -> Ozone 

 References:
https://mail-archives.apache.org/mod_mbox/ozone-dev/202111.mbox/%3C97d65498-7f8c-366f-1bea-5a74b6378f0d%40apache.org%3E
http://www.openwall.com/lists/oss-security/2021/11/19/5
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