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CVE-2017-3309

HIGHCVSS 7.7/10EPSS 3.10%

Last modified

CVE-2017-3309 is a high-severity vulnerability rated 7.7/10 on the CVSS scale. Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Optimizer). Supported versions that are affected are 5.5.54 and earlier, 5.6.35 and earlier and 5.7.17 and earlier. EPSS estimates a 3.10% 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 5.5.54 and earlier, 5.6.35 and earlier and 5.7.17 and earlier. Easily "exploitable" vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. While the vulnerability is in MySQL Server, attacks may significantly impact additional products. 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 7.7 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H).

Metrics

CVSS 3.1
7.7/10

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

EPSS Probability
3.10%

86.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
OracleMysql>= 5.5.0, <= 5.5.54
OracleMysql>= 5.6.0, <= 5.6.35
OracleMysql>= 5.7.0, <= 5.7.17
DebianDebian Linux8.0
MariadbMariadb>= 5.5.0, < 5.5.55
MariadbMariadb>= 10.0.0, < 10.0.31
MariadbMariadb>= 10.1.0, < 10.1.23
MariadbMariadb>= 10.2.0, < 10.2.6
RedhatEnterprise Linux Desktop7.0
RedhatEnterprise Linux Eus7.4
RedhatEnterprise Linux Eus7.5
RedhatEnterprise Linux Eus7.6
RedhatEnterprise Linux Eus7.7
RedhatEnterprise Linux Server7.0
RedhatEnterprise Linux Server Aus7.4
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-2017-3309?
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Optimizer). Supported versions that are affected are 5.5.54 and earlier, 5.6.35 and earlier and 5.7.17 and earlier. Easily "exploitable" vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. While the vulnerability is in MySQL Server, attacks may significantly impact additional products. 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 7.7 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H).
How severe is CVE-2017-3309?
CVE-2017-3309 has a CVSS score of 7.7/10 (HIGH severity). The EPSS model estimates a 3.10% probability of exploitation in the next 30 days.
How do I fix CVE-2017-3309?
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