CVE Vulnerabilities

CVE-2020-4888

Deserialization of Untrusted Data

Published: Jan 28, 2021 | Modified: Nov 21, 2024
CVSS 3.x
8.8
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
9 HIGH
AV:N/AC:L/Au:S/C:C/I:C/A:C
RedHat/V2
RedHat/V3
Ubuntu

IBM QRadar SIEM 7.4.0 to 7.4.2 Patch 1 and 7.3.0 to 7.3.3 Patch 7 could allow a remote attacker to execute arbitrary commands on the system, caused by insecure deserialization of user-supplied content by the Java deserialization function. By sending a malicious serialized Java object, an attacker could exploit this vulnerability to execute arbitrary commands on the system. IBM X-Force ID: 190912.

Weakness

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Affected Software

Name Vendor Start Version End Version
Qradar_security_information_and_event_manager Ibm 7.3.0 (including) 7.3.0 (including)
Qradar_security_information_and_event_manager Ibm 7.3.1 (including) 7.3.1 (including)
Qradar_security_information_and_event_manager Ibm 7.3.1-p3 (including) 7.3.1-p3 (including)
Qradar_security_information_and_event_manager Ibm 7.3.1-p4 (including) 7.3.1-p4 (including)
Qradar_security_information_and_event_manager Ibm 7.3.1-p5 (including) 7.3.1-p5 (including)
Qradar_security_information_and_event_manager Ibm 7.3.1-p6 (including) 7.3.1-p6 (including)
Qradar_security_information_and_event_manager Ibm 7.3.2 (including) 7.3.2 (including)
Qradar_security_information_and_event_manager Ibm 7.3.2-interim_fix_01 (including) 7.3.2-interim_fix_01 (including)
Qradar_security_information_and_event_manager Ibm 7.3.2-interim_fix_02 (including) 7.3.2-interim_fix_02 (including)
Qradar_security_information_and_event_manager Ibm 7.3.2-p1 (including) 7.3.2-p1 (including)
Qradar_security_information_and_event_manager Ibm 7.3.2-p2 (including) 7.3.2-p2 (including)
Qradar_security_information_and_event_manager Ibm 7.3.2-p3 (including) 7.3.2-p3 (including)
Qradar_security_information_and_event_manager Ibm 7.3.2-p4 (including) 7.3.2-p4 (including)
Qradar_security_information_and_event_manager Ibm 7.3.3 (including) 7.3.3 (including)
Qradar_security_information_and_event_manager Ibm 7.3.3-p1 (including) 7.3.3-p1 (including)
Qradar_security_information_and_event_manager Ibm 7.3.3-p2 (including) 7.3.3-p2 (including)
Qradar_security_information_and_event_manager Ibm 7.3.3-p3 (including) 7.3.3-p3 (including)
Qradar_security_information_and_event_manager Ibm 7.3.3-p4 (including) 7.3.3-p4 (including)
Qradar_security_information_and_event_manager Ibm 7.3.3-p5 (including) 7.3.3-p5 (including)
Qradar_security_information_and_event_manager Ibm 7.4.0 (including) 7.4.0 (including)
Qradar_security_information_and_event_manager Ibm 7.4.0-p1 (including) 7.4.0-p1 (including)
Qradar_security_information_and_event_manager Ibm 7.4.0-p2 (including) 7.4.0-p2 (including)
Qradar_security_information_and_event_manager Ibm 7.4.1 (including) 7.4.1 (including)
Qradar_security_information_and_event_manager Ibm 7.4.1-patch1 (including) 7.4.1-patch1 (including)
Qradar_security_information_and_event_manager Ibm 7.4.2 (including) 7.4.2 (including)
Qradar_security_information_and_event_manager Ibm 7.4.2-p1 (including) 7.4.2-p1 (including)

Potential Mitigations

  • Make fields transient to protect them from deserialization.
  • An attempt to serialize and then deserialize a class containing transient fields will result in NULLs where the transient data should be. This is an excellent way to prevent time, environment-based, or sensitive variables from being carried over and used improperly.

References