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HIGH

mysql: integer underflow in get_56_lenc_string() leading to DoS (CPU Apr 2017)

Published Apr 24, 2017

Description

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Pluggable Auth). Supported versions that are affected are 5.6.35 and earlier and 5.7.17 and earlier. Easily "exploitable" vulnerability allows unauthenticated 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 7.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). NOTE: the previous information is from the April 2017 CPU. Oracle has not commented on third-party claims that this issue is an integer overflow in sql/auth/sql_authentication.cc which allows remote attackers to cause a denial of service via a crafted authentication packet.

Affected products

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-190

Integer Overflow

References (13)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner oracle
Published Apr 24, 2017
Updated Oct 4, 2024
Reserved Dec 6, 2016
Link CVE-2017-3599
CISA Vulnrichment
Updated Oct 4, 2024
NVD
Status Modified
Modified Jun 17, 2026
Link CVE-2017-3599
Red Hat
Severity Important
Public date Apr 19, 2017
Links CVE-2017-3599 - Bugzilla
ENISA EUVD
Assigner oracle
Published Apr 24, 2017
Updated Oct 4, 2024
Exploited since n/a
Link EUVD-2017-12716
EUVD-2017-12716