Vulnerability Name:

CVE-2021-2342 (CCN-205769)

Assigned:2020-12-09
Published:2021-07-20
Updated:2021-09-23
Summary:Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 5.7.34 and prior and 8.0.25 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
CVSS v3 Severity:4.9 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H)
4.3 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
4.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H)
4.3 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
4.9 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H)
4.3 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-2342

Source: XF
Type: UNKNOWN
oracle-cpujul2021-cve20212342(205769)

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2021-dc4299a8d0

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2021-df40c41094

Source: CONFIRM
Type: Third Party Advisory
https://security.netapp.com/advisory/ntap-20210723-0001/

Source: CCN
Type: IBM Security Bulletin 6514009 (Security Guardium)
IBM Security Guardium is affected by an Oracle MySQL vulnerability

Source: CCN
Type: Oracle CPUJul2021
Oracle Critical Patch Update Advisory - July 2021

Source: MISC
Type: Patch, Vendor Advisory
https://www.oracle.com/security-alerts/cpujul2021.html

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2021-2342

Vulnerable Configuration:Configuration 1:
  • cpe:/a:oracle:mysql_server:*:*:*:*:*:*:*:* (Version >= 5.7.0 and <= 5.7.34)
  • OR cpe:/a:oracle:mysql_server:*:*:*:*:*:*:*:* (Version >= 6.0.0 and <= 8.0.25)

    • Configuration 2:
  • cpe:/o:fedoraproject:fedora:33:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:34:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/a:netapp:oncommand_insight:-:*:*:*:*:*:*:*
  • OR cpe:/a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*
  • OR cpe:/a:netapp:snapcenter:-:*:*:*:*:*:*:*

    • Configuration RedHat 1:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:oracle:mysql:8.0.25:*:*:*:*:*:*:*
  • OR cpe:/a:oracle:mysql:5.7.34:*:*:*:*:*:*:*
  • AND
  • cpe:/a:ibm:security_guardium:10.5:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:security_guardium:10.6:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:security_guardium:11.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:security_guardium:11.2:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:security_guardium:11.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.redhat.rhsa:def:20213590
    P
    		RHSA-2021:3590: mysql:8.0 security, bug fix, and enhancement update (Moderate)
    2021-09-21
    BACK
    oracle mysql server *
    oracle mysql server *
    fedoraproject fedora 33
    fedoraproject fedora 34
    netapp oncommand insight -
    netapp oncommand workflow automation -
    netapp snapcenter -
    oracle mysql 8.0.25
    oracle mysql 5.7.34
    ibm security guardium 10.5
    ibm security guardium 10.6
    ibm security guardium 11.1
    ibm security guardium 11.2
    ibm security guardium 11.3