Security Bulletin
Summary
An applicable vulnerability was found in the json-c library that is bundled with MQ server and native client installations.
Vulnerability Details
CVEID: CVE-2020-12762
DESCRIPTION: json-c could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow and out-of-bounds write. By persuading a victim to run a specially crafted file, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 7.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/182094 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
DESCRIPTION: json-c could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow and out-of-bounds write. By persuading a victim to run a specially crafted file, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 7.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/182094 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM MQ | 9.1 LTS |
| IBM MQ | 9.2 CD |
| IBM MQ | 9.2 LTS |
Remediation/Fixes
IBM MQ version 9.1 LTS
IBM MQ version 9.2 LTS
IBM MQ version 9.2 CD
Workarounds and Mitigations
None
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References
Off
Change History
16 December 2020: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
18 December 2020
UID
ibm16382922