DB: Oracle MySQL sql_authentication Integer Overflow

This signature detects attempts to exploit a known vulnerability in Oracle MySQL. Successful exploitation could result in denial of service conditions on the target system.

Extended 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

Oracle mysql

References

BugTraq: 97754

CVE: CVE-2017-3599

Short Name

DB:MYSQL:AUTH-INT-OF

Severity

Major

Recommended

True

Recommended Action

Drop

DB: Oracle MySQL sql_authentication Integer Overflow

Extended Description

Affected Products

References

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