CVE-2020-2512 Denial of service in Oracle Database
An unauthenticated attacker can cause a complete denial of service in the Oracle Database Gateway for ODBC component via network access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-2512?
CVE-2020-2512 is a medium-severity denial of service vulnerability in Oracle Database Server, published on 15 Jan 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Vulnerability in the Database Gateway for ODBC component of Oracle Database Server. Supported versions that are affected are 11.2.0.4, 12.1.0.2, 12.2.0.1, 18c and 19c. Difficult to exploit vulnerability allows unauthenticated attacker with network access via OracleNet to compromise Database Gateway for ODBC. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Database Gateway for ODBC. CVSS 3.0 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).
Which versions are affected by CVE-2020-2512?
It affects 1 product.
Products include Oracle Database Server.
How do I fix CVE-2020-2512?
No fix has been published for CVE-2020-2512 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-2512 being exploited?
There is no known exploitation of CVE-2020-2512 in the wild and no public exploit code.
Other vulnerabilities in Oracle Database Server
Sources
Also known as GHSA-wjfw-w373-7pf5.