Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-22097

Severity CVSS v4.0:
Pending analysis
Type:
CWE-502 Deserialization of Untrusted Dat
Publication date:
28/10/2021
Last modified:
01/11/2021

Description

In Spring AMQP versions 2.2.0 - 2.2.18 and 2.3.0 - 2.3.10, the Spring AMQP Message object, in its toString() method, will deserialize a body for a message with content type application/x-java-serialized-object. It is possible to construct a malicious java.util.Dictionary object that can cause 100% CPU usage in the application if the toString() method is called.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
6.50
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:L/Au:S/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
6.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:vmware:spring_advanced_message_queuing_protocol:*:*:*:*:*:*:*:* 2.2.0 (including) 2.2.18 (including)
cpe:2.3:a:vmware:spring_advanced_message_queuing_protocol:*:*:*:*:*:*:*:* 2.3.0 (including) 2.3.10 (including)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools