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                            CERT-Renater

                Note d'Information No. 2025/VULN687
_____________________________________________________________________

DATE                : 10/10/2025

HARDWARE PLATFORM(S): /

OPERATING SYSTEM(S): Systems running Apache Flink CDC  versions prior
                                      to 3.5.0.

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https://lists.apache.org/thread/yvcgff5ph17nnh4tlkc1nmdssm7xoctx
_____________________________________________________________________

CVE-2025-62228: Apache Flink CDC, Apache Flink CDC, Apache Flink CDC,
Apache Flink CDC, Apache Flink CDC: SQL injection via maliciously
crafted identifiers


Severity: 

Affected versions:

- Apache Flink CDC (org.apache.flink:flink-connector-mysql-cdc) 3.0.0
   through 3.4.0
- Apache Flink CDC (org.apache.flink:flink-connector-sqlserver-cdc)
   3.0.0 through 3.4.0
- Apache Flink CDC (org.apache.flink:flink-connector-db2-cdc) 3.0.0
   through 3.4.0
- Apache Flink CDC (org.apache.flink:flink-connector-oracle-cdc)
   3.0.0 through 3.4.0
- Apache Flink CDC (org.apache.flink:flink-cdc-pipeline-connector-oceanbase)
   3.3.0 through 3.4.0

Description:

Apache Flink CDC version 3.4.0 was vulnerable to a SQL injection via
maliciously crafted identifiers eg. crafted database name or crafted
table name. Even through only the logged-in database user can
trigger the attack, we recommend users update Flink CDC version to
3.5.0 which address this issue.


Credit:

intSheep (reporter)
Mapta/BugBunny_ai (reporter)


References:

https://flink.apache.org/
https://www.cve.org/CVERecord?id=CVE-2025-62228


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