Externally Controlled Reference to a Resource in Another Sphere in ruby-mysql - CVE-2021-3779
Published: October 3, 2022
Vulnerability identifier: #VU67809
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-3779
CWE-ID: CWE-610
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: TOMITA Masahiro
Affected software:
ruby-mysql
ruby-mysql
Detailed vulnerability description
The vulnerability allows a remote attacker to obtain sensitive information.
The vulnerability exists due to missing authorization when working with local files on the system with installed ruby-mysql client. A malicious MySQL server can request content of an arbitrary local file on the system.
How to mitigate CVE-2021-3779
Install updates from vendor's website.