Vulnerability Monitor

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CVE-2021-22144

In Elasticsearch versions before 7.13.3 and 6.8.17 an uncontrolled recursion vulnerability that could lead to a denial of service attack was identified in the Elasticsearch Grok parser. A user with the ability to submit arbitrary queries to Elasticsearch could create a malicious Grok query that will crash the Elasticsearch node.

Published

2021-07-26T12:15:08.547

Last Modified

2024-11-21T05:49:35.577

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-674

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	elastic	elasticsearch	< 6.8.17	Yes
Application	elastic	elasticsearch	< 7.13.3	Yes
Application	oracle	communications_cloud_native_core_automated_test_suite	1.8.0	Yes

References

https://discuss.elastic.co/t/elasticsearch-7-13-3-and-6-8-17-security-update/278100 Release Notes, Vendor Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20210827-0006/ Third Party Advisory ([email protected])
https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory ([email protected])
https://discuss.elastic.co/t/elasticsearch-7-13-3-and-6-8-17-security-update/278100 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20210827-0006/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)