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amazonAmazonALAS-2021-1464
HistoryJan 12, 2021 - 10:51 p.m.

Medium: mysql56

2021-01-1222:51:00
alas.aws.amazon.com
39
mysql server
oracle mysql
unauthorized access
dos
stored procedure
fts
optimizer
vulnerability
affected versions
cvss 3.1 base scores

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:S/C:N/I:N/A:C

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

AI Score

6.3

Confidence

High

EPSS

0.003

Percentile

72.0%

Issue Overview:

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Stored Procedure). Supported versions that are affected are 5.6.49 and prior, 5.7.31 and prior and 8.0.21 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). (CVE-2020-14672)

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: FTS). Supported versions that are affected are 5.6.49 and prior, 5.7.31 and prior and 8.0.21 and prior. Easily exploitable vulnerability allows low 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). (CVE-2020-14765)

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 5.6.49 and prior, 5.7.31 and prior and 8.0.21 and prior. Easily exploitable vulnerability allows low 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). (CVE-2020-14769)

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 5.6.49 and prior, 5.7.31 and prior and 8.0.21 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). (CVE-2020-14793)

Affected Packages:

mysql56

Issue Correction:
Run yum update mysql56 to update your system.

New Packages:

i686:  
    mysql56-embedded-devel-5.6.50-1.38.amzn1.i686  
    mysql56-common-5.6.50-1.38.amzn1.i686  
    mysql56-libs-5.6.50-1.38.amzn1.i686  
    mysql56-devel-5.6.50-1.38.amzn1.i686  
    mysql56-test-5.6.50-1.38.amzn1.i686  
    mysql56-5.6.50-1.38.amzn1.i686  
    mysql56-errmsg-5.6.50-1.38.amzn1.i686  
    mysql56-debuginfo-5.6.50-1.38.amzn1.i686  
    mysql56-bench-5.6.50-1.38.amzn1.i686  
    mysql56-embedded-5.6.50-1.38.amzn1.i686  
    mysql56-server-5.6.50-1.38.amzn1.i686  
  
src:  
    mysql56-5.6.50-1.38.amzn1.src  
  
x86_64:  
    mysql56-test-5.6.50-1.38.amzn1.x86_64  
    mysql56-common-5.6.50-1.38.amzn1.x86_64  
    mysql56-errmsg-5.6.50-1.38.amzn1.x86_64  
    mysql56-embedded-devel-5.6.50-1.38.amzn1.x86_64  
    mysql56-5.6.50-1.38.amzn1.x86_64  
    mysql56-embedded-5.6.50-1.38.amzn1.x86_64  
    mysql56-devel-5.6.50-1.38.amzn1.x86_64  
    mysql56-server-5.6.50-1.38.amzn1.x86_64  
    mysql56-libs-5.6.50-1.38.amzn1.x86_64  
    mysql56-bench-5.6.50-1.38.amzn1.x86_64  
    mysql56-debuginfo-5.6.50-1.38.amzn1.x86_64  

Additional References

Red Hat: CVE-2020-14672, CVE-2020-14765, CVE-2020-14769, CVE-2020-14793

Mitre: CVE-2020-14672, CVE-2020-14765, CVE-2020-14769, CVE-2020-14793

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:S/C:N/I:N/A:C

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

AI Score

6.3

Confidence

High

EPSS

0.003

Percentile

72.0%