CVE-2020-7221

mysql_install_db in MariaDB 10.4.7 through 10.4.11 allows privilege escalation from the mysql user account to root because chown and chmod are performed unsafely, as demonstrated by a symlink attack on a chmod 04755 of auth_pam_tool_dir/auth_pam_tool. NOTE: this does not affect the Oracle MySQL product, which implements mysql_install_db differently.

CVSS v3.0 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/MariaDB/server/commit/9d18b6246755472c8324bf3e20e234e08ac45618	Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1160868	Exploit Issue Tracking Third Party Advisory
https://seclists.org/oss-sec/2020/q1/55	Exploit Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*

Information

Published : 2020-02-04 09:15

Updated : 2021-07-21 04:39

NVD link : CVE-2020-7221

Mitre link : CVE-2020-7221

JSON object : View

CWE

CWE-59

Improper Link Resolution Before File Access ('Link Following')

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Products Affected

mariadb

mariadb

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