Access mode of block tokens are not enforced
CVE-2021-39235

6.5MEDIUM

Key Information:

Vendor

Apache
Status
Apache Ozone
Vendor
CVE Published:
19 November 2021

What is CVE-2021-39235?

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.

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Affected Version(s)

Apache Ozone 1.0

References

https://mail-archives.apache.org/mod_mbox/ozone-dev/20211...
x_refsource_MISC
http://www.openwall.com/lists/oss-security/2021/11/19/6
mailing-listx_refsource_MLIST

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Apache Ozone would like to thank Marton Elek for reporting this issue.
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