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CVE-2021-41973

Good to know:

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Date: November 1, 2021

In Apache MINA, a specifically crafted, malformed HTTP request may cause the HTTP Header decoder to loop indefinitely. The decoder assumed that the HTTP Header begins at the beginning of the buffer and loops if there is more data than expected. Please update MINA to 2.1.5 or greater.

Language: Java

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2021-41973
http://www.openwall.com/lists/oss-security/2021/11/01/8
https://lists.apache.org/thread.html/r0b907da9340d5ff4e6c1a4798ef4e79700a668657f27cca8a39e9250%40%3Cdev.mina.apache.org%3E
http://www.openwall.com/lists/oss-security/2021/11/01/2
https://www.oracle.com/security-alerts/cpuapr2022.html
https://www.mend.io/vulnerability-database/CVE-2021-41973

Severity Score

Weakness Type (CWE)

Loop with Unreachable Exit Condition ('Infinite Loop')

CWE-835

Top Fix

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Upgrade Version

Upgrade to version org.apache.mina:mina-core:2.0.22,2.1.5

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CVSS v3.1

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

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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