Multiple vulnerabilities in MySQL Workbench

Published: 2021-04-21

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2019-7317 CVE-2021-3450
CWE-ID	CWE-416 CWE-254
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	MySQL Workbench Universal components / Libraries / Software for developers
Vendor	Oracle

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU17708

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-7317

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition.

The vulnerability exists due to a use-after-free memory error in the png_image_free function, as defined in the png.c source code file when calling on png_safe_execute. A remote attacker can send specially crafted data, trigger a call on png_safe_execute and trigger memory corruption, resulting in a DoS condition.

Mitigation

Install update from vendor's website.

Vulnerable software versions

MySQL Workbench: 8.0.11 - 8.0.23

CPE2.3

External links

https://www.oracle.com/security-alerts/cpuapr2021.html?62416

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.

2) Security features bypass

EUVDB-ID: #VU51732

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-3450

CWE-ID: CWE-254 - Security Features