CVE-2017-9844 Deserialization in n/a
Remote attackers can cause denial of service or execute arbitrary code via crafted serialized Java objects in SAP NetWeaver Visual Composer.
- 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-2017-9844?
CVE-2017-9844 is a high-severity unsafe deserialization vulnerability in Sap Netweaver, published on 12 Jul 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
SAP NetWeaver 7400.12.21.30308 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted serialized Java object in a request to metadatauploader, aka SAP Security Note 2399804. NOTE: The vendor states that the devserver package of Visual Composer deserializes a malicious object that may cause legitimate users accessing a service, either by crashing or flooding the service.
Weakness: CWE-502
Which versions are affected by CVE-2017-9844?
It affects 1 product.
Products include Sap Netweaver.
How do I fix CVE-2017-9844?
No fix has been published for CVE-2017-9844 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2017-9844 being exploited?
There is no known exploitation of CVE-2017-9844 in the wild and no public exploit code.
Other vulnerabilities in Sap Netweaver
Sources
Also known as GHSA-8xqh-j9rj-w265.