#VU8990 Denial of service - CVE-2017-10155

Vulnerability identifier: #VU8990

Vulnerability risk: Low

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:Clear]

CVE-ID: CVE-2017-10155

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:

Vendor:

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

The weakness exists due to an error in the MySQL Server component of Oracle MySQL (subcomponent: Server: Pluggable Auth). A remote attacker can use multiple protocols to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.

Successful exploitation of the vulnerability results in denial of service.

Mitigation
Install update from vendor's website.

Vulnerable software versions

:

: 5.6.10 - 5.6.34, 5.7.11 - 5.7.16

---

External links
https://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html

---

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.