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CVE-2018-2668

MEDIUMCVSS 6.5/10EPSS 3.98%

Last modified

CVE-2018-2668 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Optimizer). Supported versions that are affected are 5.5.58 and prior, 5.6.38 and prior and 5.7.20 and prior. EPSS estimates a 3.98% chance of exploitation in the next 30 days.

Description

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Optimizer). Supported versions that are affected are 5.5.58 and prior, 5.6.38 and prior and 5.7.20 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

Metrics

CVSS 3.1
6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
3.98%

89.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
OracleMysql>= 5.5.0, <= 5.5.58
OracleMysql>= 5.6.0, <= 5.6.38
OracleMysql>= 5.7.0, <= 5.7.20
MariadbMariadb>= 5.5.0, < 5.5.59
MariadbMariadb>= 10.0.0, < 10.0.34
MariadbMariadb>= 10.1.0, < 10.1.31
MariadbMariadb>= 10.2.0, < 10.2.13
DebianDebian Linux7.0
DebianDebian Linux8.0
DebianDebian Linux9.0
CanonicalUbuntu Linux12.04
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux16.04
CanonicalUbuntu Linux17.10
NetappActive Iq Unified Manager>= 7.3
NetappActive Iq Unified Manager>= 9.5
NetappOncommand InsightAll versions
NetappOncommand Workflow AutomationAll versions
NetappSnapcenterAll versions
RedhatOpenstack12
RedhatEnterprise Linux Desktop7.0
RedhatEnterprise Linux Eus7.5
RedhatEnterprise Linux Eus7.6
RedhatEnterprise Linux Eus7.7
RedhatEnterprise Linux Server7.0
RedhatEnterprise Linux Server Aus7.6
RedhatEnterprise Linux Server Aus7.7
RedhatEnterprise Linux Server Tus7.6
RedhatEnterprise Linux Server Tus7.7
RedhatEnterprise Linux Workstation7.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-2668?
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Optimizer). Supported versions that are affected are 5.5.58 and prior, 5.6.38 and prior and 5.7.20 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
How severe is CVE-2018-2668?
CVE-2018-2668 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 3.98% probability of exploitation in the next 30 days.
How do I fix CVE-2018-2668?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST