CVE-2019-18901 - Improper Link Resolution Before File Access ('Link Following')

Severity

55%

Complexity

18%

Confidentiality

60%

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.

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 3.1 Base Score 5.5. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N).

CVSS 2.0 Base Score 2.1. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:N/I:P/A:N).

Overview

First reported 4 years ago

2020-03-02 16:15:00

Last updated 4 years ago

2020-03-04 17:25:00

Affected Software

OpenSUSE Leap 15.1

15.1

SUSE Linux Enterprise Server 12

12

Suse Linux Enterprise Server 15

15

References

openSUSE-SU-2020:0289

Vendor Advisory

https://bugzilla.suse.com/show_bug.cgi?id=1160895

Issue Tracking, Vendor Advisory

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