Vulnerability identifier: #VU67809

Vulnerability risk: Low

CVSSv3.1: 3 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-3779

CWE-ID: CWE-610

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ruby-mysql
Universal components / Libraries / Programming Languages & Components

Vendor: TOMITA Masahiro

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ruby-mysql: 2.9.5 - 2.9.14

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External links
http://www.rapid7.com/blog/post/2022/06/28/cve-2021-3779-ruby-mysql-gem-client-file-read-fixed/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.