Medium: mysql56

Issue Overview:

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are 5.6.47 and prior, 5.7.29 and prior and 8.0.19 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 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2020-2763)

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions that are affected are 5.6.47 and prior, 5.7.29 and prior and 8.0.19 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 3.0 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). (CVE-2020-2780)

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Memcached). Supported versions that are affected are 5.6.47 and prior, 5.7.29 and prior and 8.0.19 and prior. Difficult to exploit vulnerability allows unauthenticated 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 3.0 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H). (CVE-2020-2804)

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Stored Procedure). Supported versions that are affected are 5.6.47 and prior, 5.7.29 and prior and 8.0.19 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 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2020-2812)

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.6.47 and prior, 5.7.28 and prior and 8.0.18 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 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2020-2814)

Affected Packages:

mysql56

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

New Packages:

i686:  
    mysql56-embedded-5.6.49-1.37.amzn1.i686  
    mysql56-libs-5.6.49-1.37.amzn1.i686  
    mysql56-5.6.49-1.37.amzn1.i686  
    mysql56-bench-5.6.49-1.37.amzn1.i686  
    mysql56-common-5.6.49-1.37.amzn1.i686  
    mysql56-server-5.6.49-1.37.amzn1.i686  
    mysql56-test-5.6.49-1.37.amzn1.i686  
    mysql56-debuginfo-5.6.49-1.37.amzn1.i686  
    mysql56-errmsg-5.6.49-1.37.amzn1.i686  
    mysql56-embedded-devel-5.6.49-1.37.amzn1.i686  
    mysql56-devel-5.6.49-1.37.amzn1.i686  
  
src:  
    mysql56-5.6.49-1.37.amzn1.src  
  
x86_64:  
    mysql56-embedded-devel-5.6.49-1.37.amzn1.x86_64  
    mysql56-libs-5.6.49-1.37.amzn1.x86_64  
    mysql56-errmsg-5.6.49-1.37.amzn1.x86_64  
    mysql56-common-5.6.49-1.37.amzn1.x86_64  
    mysql56-devel-5.6.49-1.37.amzn1.x86_64  
    mysql56-server-5.6.49-1.37.amzn1.x86_64  
    mysql56-test-5.6.49-1.37.amzn1.x86_64  
    mysql56-5.6.49-1.37.amzn1.x86_64  
    mysql56-embedded-5.6.49-1.37.amzn1.x86_64  
    mysql56-debuginfo-5.6.49-1.37.amzn1.x86_64  
    mysql56-bench-5.6.49-1.37.amzn1.x86_64  

Additional References

Red Hat: CVE-2020-2763, CVE-2020-2780, CVE-2020-2804, CVE-2020-2812, CVE-2020-2814

Mitre: CVE-2020-2763, CVE-2020-2780, CVE-2020-2804, CVE-2020-2812, CVE-2020-2814