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WS-2021-0646

Good to know:

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Date: May 11, 2021

Apache Lucene through 7.x and 8.x before 8.10 is vulnerable to a denial of service. By sending a specific regular expression query, a remote attacker could exploit this vulnerability to consume all available CPU resources.

Language: Java

Severity Score

Related Resources (2)

https://github.com/piolug93/jcc/commit/c4cf7aa3e199c53d9cf9401363b0c65df5c36111
https://www.mend.io/vulnerability-database/WS-2021-0646

Severity Score

Weakness Type (CWE)

Inefficient Regular Expression Complexity

CWE-1333

Top Fix

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Upgrade Version

Upgrade to version GridGain.Ignite - 8.8.9;GridGain.Ignite - 8.8.18;GridGain.Ignite - 8.7.33;GridGain.Ignite - 8.8.1;Apache.Ignite - 2.14.0;org.apache.lucene:lucene-core:8.10.0;org.apache.lucene:lucene-core:8.10.0;org.apache.lucene:lucene-core:8.10.0;org.apache.lucene:lucene-core:8.10.0;org.apache.lucene:lucene-queryparser:8.10.0;org.apache.lucene:lucene-queryparser:8.10.0;org.apache.lucene:lucene-queryparser:8.10.0;org.apache.lucene:lucene-queryparser:8.10.0;org.apache.lucene:lucene-analyzers-common:8.10.0;org.apache.lucene:lucene-analyzers-common:8.10.0;org.apache.lucene:lucene-analyzers-common:8.10.0;org.apache.lucene:lucene-analyzers-common:8.10.0;org.apache.lucene:lucene-suggest:8.10.0;org.apache.lucene:lucene-suggest:8.10.0;org.apache.lucene:lucene-suggest:8.10.0;org.apache.lucene:lucene-suggest:8.10.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

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