Improper Access Control to Streaming Coordinator & SSRF
CVE-2021-27738

7.5HIGH

Key Information:

Vendor

Apache
Status
Apache Kylin
Vendor
CVE Published:
6 January 2022

What is CVE-2021-27738?

All request mappings in StreamingCoordinatorController.java handling /kylin/api/streaming_coordinator/* REST API endpoints did not include any security checks, which allowed an unauthenticated user to issue arbitrary requests, such as assigning/unassigning of streaming cubes, creation/modification and deletion of replica sets, to the Kylin Coordinator. For endpoints accepting node details in HTTP message body, unauthenticated (but limited) server-side request forgery (SSRF) can be achieved. This issue affects Apache Kylin Apache Kylin 3 versions prior to 3.1.2.

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Affected Version(s)

Apache Kylin Apache Kylin 3 < 3.1.2

References

https://lists.apache.org/thread/vkohh0to2vzwymyb2x13fszs3...
x_refsource_MISC
http://www.openwall.com/lists/oss-security/2022/01/06/6
mailing-listx_refsource_MLIST

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Wei Lin Ngo <ngo.weilin@starlabs.sg>
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