Vulnerability Name:

CVE-2020-12762 (CCN-182094)

Assigned:2020-05-02
Published:2020-05-02
Updated:2023-06-21
Summary: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 v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.0 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.0 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.8 High (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.0 High (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-12762

Source: cve@mitre.org
Type: Third Party Advisory
cve@mitre.org

Source: XF
Type: UNKNOWN
jsonc-cve202012762-code-exec(182094)

Source: CCN
Type: json-c GIT Repository
Prevent out of boundary write on malicious input #592

Source: cve@mitre.org
Type: Exploit, Patch, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Exploit, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Mailing List, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Mailing List, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Mailing List, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: UNKNOWN
cve@mitre.org

Source: cve@mitre.org
Type: Mailing List, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Mailing List, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Mailing List, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Third Party Advisory
cve@mitre.org

Source: CCN
Type: IBM Security Bulletin 6382922 (MQ)
IBM MQ is affected by a vulnerability in json-c (CVE-2020-12762)

Source: CCN
Type: IBM Security Bulletin 6551876 (Cloud Pak for Security)
Cloud Pak for Security uses packages that are vulnerable to multiple CVEs

Source: CCN
Type: IBM Security Bulletin 6574787 (QRadar SIEM)
IBM QRadar SIEM is vulnerable to using components with Known Vulnerabilities

Vulnerable Configuration:Configuration RedHat 1:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*
  • Configuration RedHat 2:
  • cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*
  • Configuration RedHat 3:
  • cpe:/a:redhat:enterprise_linux:8::crb:*:*:*:*:*
  • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:8:*:*:*:*:*:*:*
  • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:8::baseos:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:json-c_project:json-c:0.14:*:*:*:*:*:*:*
  • AND
  • cpe:/a:ibm:mq:9.1.0:*:*:*:continuous_delivery:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.3.3:-:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq:9.2.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.4.3:-:*:*:*:*:*:*
  • OR cpe:/a:ibm:cloud_pak_for_security:1.7.2.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:7590
    P
    libfastjson-devel-0.99.9-150400.3.3.1 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:7606
    P
    libjson-c-devel-0.13-3.3.1 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:125769
    P
    Security update for json-c (Important) (in QA)
    2022-09-01
    oval:org.opensuse.security:def:126933
    P
    Security update for json-c (Important) (in QA)
    2022-09-01
    oval:org.opensuse.security:def:127330
    P
    Security update for json-c (Important) (in QA)
    2022-09-01
    oval:org.opensuse.security:def:5311
    P
    Security update for json-c (Important) (in QA)
    2022-08-30
    oval:org.opensuse.security:def:6119
    P
    Security update for json-c (Important) (in QA)
    2022-08-30
    oval:org.opensuse.security:def:3021
    P
    avahi-0.6.32-32.3.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:94651
    P
    libjson-c-devel-0.13-3.3.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:119098
    P
    Security update for json-c (Important)
    2022-02-17
    oval:org.opensuse.security:def:93456
    P
    (Important)
    2022-01-25
    oval:org.opensuse.security:def:101610
    P
    Security update for json-c (Important)
    2022-01-25
    oval:org.opensuse.security:def:94239
    P
    (Important)
    2022-01-25
    oval:org.opensuse.security:def:42292
    P
    Security update for json-c (Important)
    2022-01-25
    oval:org.opensuse.security:def:100068
    P
    (Important)
    2022-01-25
    oval:org.opensuse.security:def:93610
    P
    (Important)
    2022-01-25
    oval:org.opensuse.security:def:899
    P
    Security update for json-c (Important)
    2022-01-25
    oval:org.opensuse.security:def:99203
    P
    (Important)
    2022-01-25
    oval:org.opensuse.security:def:119214
    P
    Security update for json-c (Important)
    2022-01-25
    oval:org.opensuse.security:def:94448
    P
    (Important)
    2022-01-25
    oval:org.opensuse.security:def:93138
    P
    (Important)
    2022-01-25
    oval:org.opensuse.security:def:100406
    P
    (Important)
    2022-01-25
    oval:org.opensuse.security:def:118718
    P
    Security update for json-c (Important)
    2022-01-25
    oval:org.opensuse.security:def:93813
    P
    (Important)
    2022-01-25
    oval:org.opensuse.security:def:99477
    P
    (Important)
    2022-01-25
    oval:org.opensuse.security:def:119404
    P
    Security update for json-c (Important)
    2022-01-25
    oval:org.opensuse.security:def:93298
    P
    (Important)
    2022-01-25
    oval:org.opensuse.security:def:100740
    P
    (Important)
    2022-01-25
    oval:org.opensuse.security:def:118908
    P
    Security update for json-c (Important)
    2022-01-25
    oval:org.opensuse.security:def:94027
    P
    (Important)
    2022-01-25
    oval:org.opensuse.security:def:42187
    P
    Security update for json-c (Important)
    2022-01-25
    oval:org.opensuse.security:def:99739
    P
    (Important)
    2022-01-25
    oval:org.opensuse.security:def:119589
    P
    Security update for json-c (Important)
    2022-01-25
    oval:com.redhat.rhsa:def:20214382
    P
    RHSA-2021:4382: json-c security and bug fix update (Moderate)
    2021-11-09
    BACK
    json-c_project json-c 0.14
    ibm mq 9.1.0
    ibm qradar security information and event manager 7.3.3
    ibm mq 9.2.0
    ibm qradar security information and event manager 7.4.3 -
    ibm cloud pak for security 1.7.2.0