CVE-2019-2974

NameCVE-2019-2974
DescriptionVulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 5.6.45 and prior, 5.7.27 and prior and 8.0.17 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).
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 Bugs942443

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-10.1sourcestretch10.1.44-0+deb9u1
mariadb-10.1source(unstable)(unfixed)
mariadb-10.3sourcebuster1:10.3.22-0+deb10u1
mariadb-10.3source(unstable)1:10.3.19-1
mysql-5.7source(unstable)(unfixed)942443

Notes

https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html#AppendixMSQL
MySQL: https://github.com/mysql/mysql-server/commit/52d9daf06478851548251ec2103cdc22178c48c4
MariaDB: https://github.com/MariaDB/server/commit/719ac0ad4af0dd1e20dbc94eff8f8c9f786b3393
Fixed in MariaDB: 10.3.19, 10.1.42

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