CVE-2020-2814

NameCVE-2020-2814
DescriptionVulnerability 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).
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium
Debian Bugs956832, 961849

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mariadb-10.1 (PTS)stretch10.1.45-0+deb9u1fixed
stretch (security)10.1.47-0+deb9u1fixed
mariadb-10.3 (PTS)buster1:10.3.23-0+deb10u1fixed
buster (security)1:10.3.25-0+deb10u1fixed
bullseye, sid1:10.3.24-2fixed
mysql-5.7 (PTS)sid5.7.26-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mariadb-10.1sourcestretch10.1.45-0+deb9u1
mariadb-10.1source(unstable)(unfixed)
mariadb-10.3sourcebuster1:10.3.23-0+deb10u1
mariadb-10.3source(unstable)1:10.3.23-1961849
mysql-5.7source(unstable)(unfixed)956832

Notes

https://www.oracle.com/security-alerts/cpuapr2020.html#AppendixMSQL
Fixed in MariaDB 10.3.23, 10.1.45

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