#VU11099 Improper input validation - CVE-2017-3329

Vulnerability identifier: #VU11099

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-3329

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:

Vendor:

Description
The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.

The weakness exists due to improper input validation within the Thread Pooling subcomponent. A remote attacker can send a specially crated MySQL packet to the affected server and cause it to crash.

Mitigation
Update to version 5.5.55, 5.6.36 or 5.7.18.

Vulnerable software versions

: 5.5.0 - 5.5.54, 5.6.9 - 5.6.34, 5.7.0 - 5.7.16

:

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External links
https://www.oracle.com/technetwork/security-advisory/cpuapr2017-3236618.html#AppendixMSQL

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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.