CVE-2018-17200 Deserialization in OFBiz

Critical 9.8 Published Updated

An attacker can achieve remote code execution by sending a malicious serialized object to the HTTP service endpoint, bypassing weak XStream filters.

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-2018-17200?

CVE-2018-17200 is a critical unsafe deserialization vulnerability in Apache Ofbiz, published on 11 Sep 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Apache OFBiz HTTP engine (org.apache.ofbiz.service.engine.HttpEngine.java) handles requests for HTTP services via the /webtools/control/httpService endpoint. This service takes the `serviceContent` parameter in the request and deserializes it using XStream. This `XStream` instance is slightly guarded by disabling the creation of `ProcessBuilder`. However, this can be easily bypassed (and in multiple ways). Mitigation: Upgrade to 16.11.06 or manually apply the following commits on branch 16 r1850017+1850019

Which versions are affected by CVE-2018-17200?

It affects 1 product.

Products include Apache Ofbiz.

How do I fix CVE-2018-17200?

No fix has been published for CVE-2018-17200 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-2018-17200 being exploited?

There is no known exploitation of CVE-2018-17200 in the wild and no public exploit code.

All Apache Ofbiz vulnerabilities

Sources

Also known as GHSA-rv9j-p5m2-3523.

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