CVE-2019-18901

Description

A UNIX Symbolic Link (Symlink) Following vulnerability in the mysql-systemd-helper of the mariadb packaging of SUSE Linux Enterprise Server 12, SUSE Linux Enterprise Server 15 allows local attackers to change the permissions of arbitrary files to 0640. This issue affects: SUSE Linux Enterprise Server 12 mariadb versions prior to 10.2.31-3.25.1. SUSE Linux Enterprise Server 15 mariadb versions prior to 10.2.31-3.26.1.

CVSS Metrics

• v3.1•MEDIUM•Score: 5.1CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
• v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
• v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:N/I:P/A:N

EPSS Trends

Current EPSS score: 0.10%• Percentile: 27%

Techniques & Countermeasures

• CWE-59•Improper Link Resolution Before File Access ('Link Following')

  The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

Affected Systems

• opensuse•leap

  15.1

• suse•linux_enterprise_server

  12 | 15

• suse•suse linux enterprise server 12

  ≥ mariadb, < 10.2.31-3.25.1

• suse•suse linux enterprise server 15

  ≥ mariadb, < 10.2.31-3.26.1

References (2)

• http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00007.html
• https://bugzilla.suse.com/show_bug.cgi?id=1160895