CVE Vulnerabilities

CVE-2020-4682

Deserialization of Untrusted Data

Published: Jan 28, 2021 | Modified: Nov 21, 2024
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
10 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C
RedHat/V2
RedHat/V3
Ubuntu

IBM MQ 7.5, 8.0, 9.0, 9.1, 9.2 LTS, and 9.2 CD could allow a remote attacker to execute arbitrary code on the system, caused by an unsafe deserialization of trusted data. An attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 186509.

Weakness

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

Affected Software

Name Vendor Start Version End Version
Mq Ibm 8.0.0.0 (including) 8.0.0.0 (including)
Mq Ibm 8.0.0.1 (including) 8.0.0.1 (including)
Mq Ibm 8.0.0.2 (including) 8.0.0.2 (including)
Mq Ibm 8.0.0.3 (including) 8.0.0.3 (including)
Mq Ibm 8.0.0.4 (including) 8.0.0.4 (including)
Mq Ibm 8.0.0.5 (including) 8.0.0.5 (including)
Mq Ibm 8.0.0.6 (including) 8.0.0.6 (including)
Mq Ibm 8.0.0.7 (including) 8.0.0.7 (including)
Mq Ibm 8.0.0.8 (including) 8.0.0.8 (including)
Mq Ibm 8.0.0.9 (including) 8.0.0.9 (including)
Mq Ibm 8.0.0.10 (including) 8.0.0.10 (including)
Mq Ibm 8.0.0.11 (including) 8.0.0.11 (including)
Mq Ibm 8.0.0.12 (including) 8.0.0.12 (including)
Mq Ibm 8.0.0.13 (including) 8.0.0.13 (including)
Mq Ibm 8.0.0.14 (including) 8.0.0.14 (including)
Mq Ibm 8.0.0.15 (including) 8.0.0.15 (including)
Mq Ibm 9.0.0.0 (including) 9.0.0.0 (including)
Mq Ibm 9.0.0.1 (including) 9.0.0.1 (including)
Mq Ibm 9.0.0.2 (including) 9.0.0.2 (including)
Mq Ibm 9.0.0.3 (including) 9.0.0.3 (including)
Mq Ibm 9.0.0.4 (including) 9.0.0.4 (including)
Mq Ibm 9.0.0.5 (including) 9.0.0.5 (including)
Mq Ibm 9.0.0.6 (including) 9.0.0.6 (including)
Mq Ibm 9.0.0.7 (including) 9.0.0.7 (including)
Mq Ibm 9.0.0.8 (including) 9.0.0.8 (including)
Mq Ibm 9.0.0.9 (including) 9.0.0.9 (including)
Mq Ibm 9.0.0.10 (including) 9.0.0.10 (including)
Mq Ibm 9.1.0.0 (including) 9.1.0.0 (including)
Mq Ibm 9.1.0.1 (including) 9.1.0.1 (including)
Mq Ibm 9.1.0.2 (including) 9.1.0.2 (including)
Mq Ibm 9.1.0.3 (including) 9.1.0.3 (including)
Mq Ibm 9.1.0.4 (including) 9.1.0.4 (including)
Mq Ibm 9.1.0.5 (including) 9.1.0.5 (including)
Mq Ibm 9.1.0.6 (including) 9.1.0.6 (including)
Mq Ibm 9.2.0.0 (including) 9.2.0.0 (including)
Mq Ibm 9.2.1.0 (including) 9.2.1.0 (including)
Mq_appliance Ibm 9.2.0.0 (including) 9.2.0.0 (including)
Websphere_mq Ibm 7.5.0.0 (including) 7.5.0.0 (including)
Websphere_mq Ibm 7.5.0.1 (including) 7.5.0.1 (including)
Websphere_mq Ibm 7.5.0.2 (including) 7.5.0.2 (including)
Websphere_mq Ibm 7.5.0.3 (including) 7.5.0.3 (including)
Websphere_mq Ibm 7.5.0.4 (including) 7.5.0.4 (including)
Websphere_mq Ibm 7.5.0.5 (including) 7.5.0.5 (including)
Websphere_mq Ibm 7.5.0.6 (including) 7.5.0.6 (including)
Websphere_mq Ibm 7.5.0.7 (including) 7.5.0.7 (including)
Websphere_mq Ibm 7.5.0.8 (including) 7.5.0.8 (including)
Websphere_mq Ibm 7.5.0.9 (including) 7.5.0.9 (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