CVE Vulnerabilities

CVE-2020-4420

Improper Resource Shutdown or Release

Published: Jul 01, 2020 | Modified: Nov 21, 2024
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu
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IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 could allow an unauthenticated attacker to cause a denial of service due a hang in the execution of a terminate command. IBM X-Force ID: 180076.

Weakness

The product does not release or incorrectly releases a resource before it is made available for re-use.

Affected Software

NameVendorStart VersionEnd Version
Db2Ibm9.7.0.0 (including)9.7.0.0 (including)
Db2Ibm10.1.0.0 (including)10.1.0.0 (including)
Db2Ibm10.5.0.0 (including)10.5.0.0 (including)
Db2Ibm11.1.0.0 (including)11.1.0.0 (including)
Db2Ibm11.5.0.0 (including)11.5.0.0 (including)

Potential Mitigations

  • Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
  • For example, languages such as Java, Ruby, and Lisp perform automatic garbage collection that releases memory for objects that have been deallocated.

References