CVE-2017-3540 Denial of service in WebCenter Sites
Unauthenticated attackers can cause a complete denial of service and unauthorized data access in Oracle WebCenter Sites via HTTP.
- 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-2017-3540?
CVE-2017-3540 is a high-severity denial of service vulnerability in Oracle Webcenter Sites, 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 Oracle WebCenter Sites component of Oracle Fusion Middleware (subcomponent: Server). Supported versions that are affected are 11.1.1.8.0, 12.2.1.0.0, 12.2.1.1.0 and 12.2.1.2.0. Easily "exploitable" vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Sites. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle WebCenter Sites as well as unauthorized update, insert or delete access to some of Oracle WebCenter Sites accessible data and unauthorized read access to a subset of Oracle WebCenter Sites accessible data. CVSS 3.0 Base Score 8.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H).
Which versions are affected by CVE-2017-3540?
It affects 1 product.
Products include Oracle Webcenter Sites.
How do I fix CVE-2017-3540?
No fix has been published for CVE-2017-3540 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-2017-3540 being exploited?
There is no known exploitation of CVE-2017-3540 in the wild and no public exploit code.
Other vulnerabilities in Oracle Webcenter Sites
Sources
Also known as GHSA-r295-r47h-rmq2.