CVE-2017-10147 Denial of service in WebLogic Server
Unauthenticated attackers can cause a complete denial of service on Oracle WebLogic Server via crafted T3 requests, impacting availability.
- 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-2017-10147?
CVE-2017-10147 is a high-severity denial of service vulnerability in Oracle Weblogic Server, published on 8 Aug 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: Core Components). Supported versions that are affected are 10.3.6.0, 12.1.3.0, 12.2.1.1 and 12.2.1.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3 to compromise Oracle WebLogic Server. While the vulnerability is in Oracle WebLogic Server, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle WebLogic Server. CVSS 3.0 Base Score 8.6 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H). NOTE: the previous information is from the July 2017 CPU. Oracle has not commented on third-party claims that this issue exists in the migrate functionality in the WebLogic/cluster/singleton/ServerMigrationCoordinator class and allows remote attackers to shutdown the server via a crafted T3 request.
Which versions are affected by CVE-2017-10147?
It affects 1 product.
Products include Oracle Weblogic Server.
How do I fix CVE-2017-10147?
No fix has been published for CVE-2017-10147 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-2017-10147 being exploited?
There is no known exploitation of CVE-2017-10147 in the wild and no public exploit code.
Other vulnerabilities in Oracle Weblogic Server
Sources
Also known as GHSA-g7c3-3j35-j8j5.