CVE-2021-2389

NameCVE-2021-2389
DescriptionVulnerability 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 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 3.1 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mariadb-10.3 (PTS)buster1:10.3.34-0+deb10u1fixed
buster (security)1:10.3.25-0+deb10u1vulnerable
mariadb-10.5 (PTS)bullseye1:10.5.15-0+deb11u1fixed
mysql-8.0 (PTS)sid8.0.29-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mariadb-10.3sourcebuster1:10.3.31-0+deb10u1
mariadb-10.3source(unstable)(unfixed)
mariadb-10.5sourcebullseye1:10.5.12-0+deb11u1
mariadb-10.5source(unstable)1:10.5.12-1
mysql-5.7source(unstable)(unfixed)
mysql-8.0source(unstable)8.0.29-1

Notes

Fixed in MariaDB 10.5.12, 10.3.31

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