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amazonAmazonALAS-2020-1439
HistoryOct 26, 2020 - 6:14 p.m.

Medium: mysql57

2020-10-2618:14:00
alas.aws.amazon.com
29
mysql server
oracle
vulnerability
unauthorized access
dos attacks

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

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

Confidence

High

EPSS

0.001

Percentile

48.1%

Issue Overview:

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 5.6.48 and prior, 5.7.30 and prior and 8.0.20 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-2020-14539)

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions that are affected are 5.7.30 and prior and 8.0.20 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-2020-14540)

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 5.7.30 and prior and 8.0.20 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-2020-14547)

Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.6.48 and prior, 5.7.30 and prior and 8.0.20 and prior. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Client. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H). (CVE-2020-14550)

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Pluggable Auth). Supported versions that are affected are 5.7.30 and prior and 8.0.20 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 update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 4.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N). (CVE-2020-14553)

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Information Schema). Supported versions that are affected are 5.6.48 and prior, 5.7.30 and prior and 8.0.20 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 read access to a subset of MySQL Server accessible data. CVSS 3.1 Base Score 4.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N). (CVE-2020-14559)

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: UDF). Supported versions that are affected are 5.7.30 and prior and 8.0.20 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-2020-14576)

Affected Packages:

mysql57

Issue Correction:
Run yum update mysql57 to update your system.

New Packages:

i686:  
    mysql57-devel-5.7.31-1.16.amzn1.i686  
    mysql57-5.7.31-1.16.amzn1.i686  
    mysql57-libs-5.7.31-1.16.amzn1.i686  
    mysql57-debuginfo-5.7.31-1.16.amzn1.i686  
    mysql57-embedded-5.7.31-1.16.amzn1.i686  
    mysql57-embedded-devel-5.7.31-1.16.amzn1.i686  
    mysql57-server-5.7.31-1.16.amzn1.i686  
    mysql57-errmsg-5.7.31-1.16.amzn1.i686  
    mysql57-test-5.7.31-1.16.amzn1.i686  
    mysql57-common-5.7.31-1.16.amzn1.i686  
  
src:  
    mysql57-5.7.31-1.16.amzn1.src  
  
x86_64:  
    mysql57-libs-5.7.31-1.16.amzn1.x86_64  
    mysql57-embedded-5.7.31-1.16.amzn1.x86_64  
    mysql57-common-5.7.31-1.16.amzn1.x86_64  
    mysql57-embedded-devel-5.7.31-1.16.amzn1.x86_64  
    mysql57-errmsg-5.7.31-1.16.amzn1.x86_64  
    mysql57-server-5.7.31-1.16.amzn1.x86_64  
    mysql57-debuginfo-5.7.31-1.16.amzn1.x86_64  
    mysql57-test-5.7.31-1.16.amzn1.x86_64  
    mysql57-devel-5.7.31-1.16.amzn1.x86_64  
    mysql57-5.7.31-1.16.amzn1.x86_64  

Additional References

Red Hat: CVE-2020-14539, CVE-2020-14540, CVE-2020-14547, CVE-2020-14550, CVE-2020-14553, CVE-2020-14559, CVE-2020-14576

Mitre: CVE-2020-14539, CVE-2020-14540, CVE-2020-14547, CVE-2020-14550, CVE-2020-14553, CVE-2020-14559, CVE-2020-14576

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

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

Confidence

High

EPSS

0.001

Percentile

48.1%