CVE-2021-39235 Information

Description

In Apache Ozone before 1.2.0 Ozone Datanode doesn’t check the access mode parameter of the block token. Authenticated users with valid READ block token can do any write operation on the same block.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Reference

https://mail-archives.apache.org/mod_mbox/ozone-dev/202111.mbox/%3C93f88246-4320-7423-0dac-ec7a07f47455%40apache.org%3E http://www.openwall.com/lists/oss-security/2021/11/19/6

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

6.5