CVE-2017-3599 Integer overflow in n/a

High 7.5 Published 24 Apr 2017 Updated 4 Oct 2024

An integer overflow in MySQL Server authentication allows unauthenticated attackers to cause a denial of service via crafted packets.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2017-3599?

CVE-2017-3599 is a high-severity vulnerability in Oracle Mysql, published on 24 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-190

Which versions are affected by CVE-2017-3599?

It affects 1 product.

Products include Oracle Mysql.

How do I fix CVE-2017-3599?

Apply the vendor's patch.

Is CVE-2017-3599 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-3599 exists.

Public exploit code: 2 Exploit-DB entries and 2 proofs of concept on GitHub.

All Oracle Mysql vulnerabilities

Sources

Also known as GHSA-292g-7jqj-vpqr, UBUNTU-CVE-2017-3599.