Medium: mysql57

Issue Overview:

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). (CVE-2021-2342)

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are 5.7.34 and prior and 8.0.25 and prior. Difficult to exploit 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 as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 5.9 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H). (CVE-2021-2356)

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.34 and prior and 8.0.25 and prior. Difficult to exploit 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2372)

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are 5.7.34 and prior and 8.0.25 and prior. Difficult to exploit 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 as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 5.0 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H). (CVE-2021-2385)

Affected Packages:

mysql57

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

New Packages:

i686:  
    mysql57-errmsg-5.7.35-1.17.amzn1.i686  
    mysql57-debuginfo-5.7.35-1.17.amzn1.i686  
    mysql57-5.7.35-1.17.amzn1.i686  
    mysql57-libs-5.7.35-1.17.amzn1.i686  
    mysql57-embedded-devel-5.7.35-1.17.amzn1.i686  
    mysql57-common-5.7.35-1.17.amzn1.i686  
    mysql57-embedded-5.7.35-1.17.amzn1.i686  
    mysql57-devel-5.7.35-1.17.amzn1.i686  
    mysql57-test-5.7.35-1.17.amzn1.i686  
    mysql57-server-5.7.35-1.17.amzn1.i686  
  
src:  
    mysql57-5.7.35-1.17.amzn1.src  
  
x86_64:  
    mysql57-embedded-devel-5.7.35-1.17.amzn1.x86_64  
    mysql57-embedded-5.7.35-1.17.amzn1.x86_64  
    mysql57-devel-5.7.35-1.17.amzn1.x86_64  
    mysql57-errmsg-5.7.35-1.17.amzn1.x86_64  
    mysql57-debuginfo-5.7.35-1.17.amzn1.x86_64  
    mysql57-common-5.7.35-1.17.amzn1.x86_64  
    mysql57-5.7.35-1.17.amzn1.x86_64  
    mysql57-libs-5.7.35-1.17.amzn1.x86_64  
    mysql57-server-5.7.35-1.17.amzn1.x86_64  
    mysql57-test-5.7.35-1.17.amzn1.x86_64  

Additional References

Red Hat: CVE-2021-2342, CVE-2021-2356, CVE-2021-2372, CVE-2021-2385

Mitre: CVE-2021-2342, CVE-2021-2356, CVE-2021-2372, CVE-2021-2385