Vulnerability Name:

CVE-2019-4620 (CCN-168863)

Assigned:2019-01-03
Published:2020-01-23
Updated:2020-01-31
Summary:IBM MQ Appliance 8.0 and 9.0 LTS could allow a local attacker to bypass security restrictions caused by improper validation of environment variables. IBM X-Force ID: 168863.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.3 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-20
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2019-4620

Source: XF
Type: UNKNOWN
ibm-mq-cve20194620-sec-bypass(168863)

Source: XF
Type: VDB Entry, Vendor Advisory
ibm-mq-cve20194620-sec-bypass (168863)

Source: CCN
Type: IBM Security Bulletin 1125891 (MQ Appliance)
IBM MQ Appliance could allow a local attacker to bypass security restrictions (CVE-2019-4620)

Source: CONFIRM
Type: Vendor Advisory
https://www.ibm.com/support/pages/node/1125891

Source: CCN
Type: IBM Security Bulletin 3546513 (MQ CloudPak)
IBM MQ certified container is vulnerable to multiple vulnerabilities within IBM MQ.(CVE-2019-4655, CVE-2019-4560, CVE-2019-4614, CVE-2019-4620)

Source: CCN
Type: IBM Security Bulletin 6558536 (Global High Availability Mailbox)
Multiple IBM MQ vulnerabilities affect IBM Sterling Global Mailbox

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ibm:mq_appliance:*:*:*:*:*:*:*:* (Version >= 8.0.0.0 and < 8.0.0.14)
  • OR cpe:/a:ibm:mq_appliance:*:*:*:*:continuous_delivery:*:*:* (Version >= 9.1.0 and < 9.1.4)
  • OR cpe:/a:ibm:mq_appliance:*:*:*:*:lts:*:*:* (Version >= 9.1.0.0 and < 9.1.0.4)

    • Configuration CCN 1:
  • cpe:/a:ibm:mq_appliance:8.0.0.3:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:8.0.0.4:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:8.0.0.5:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:8.0.0.6:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:8.0.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:8.0.0.10:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:8.0.0.11:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.0.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:8.0.0.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:8.0.0.7:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:8.0.0.9:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:8.0.0.12:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.0.2:*:*:*:continuous_delivery:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.2:*:*:*:continuous_delivery:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.0.3:*:*:*:continuous_delivery:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.3:*:*:*:continuous_delivery:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:8.0.0.13:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    ibm mq appliance *
    ibm mq appliance *
    ibm mq appliance *
    ibm mq appliance 8.0.0.3
    ibm mq appliance 8.0.0.4
    ibm mq appliance 8.0.0.5
    ibm mq appliance 8.0.0.6
    ibm mq appliance 8.0.0.0
    ibm mq appliance 8.0.0.10
    ibm mq appliance 8.0.0.11
    ibm mq appliance 9.1.0.1
    ibm mq appliance 9.1.1
    ibm mq appliance 8.0.0.1
    ibm mq appliance 8.0.0.7
    ibm mq appliance 8.0.0.9
    ibm mq appliance 8.0.0.12
    ibm mq appliance 9.1.0.2
    ibm mq appliance 9.1.2
    ibm mq appliance 9.1.0.3
    ibm mq appliance 9.1.3
    ibm mq appliance 9.1
    ibm mq appliance 8.0.0.13