CVE-2017-9797 Apache Geode vulnerable to Exposure of Sensitive Information

Medium 6.5 Published Updated

Unauthenticated clients in secure mode can leak application data type information and cause denial of service in Apache Geode clusters.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2017-9797?

CVE-2017-9797 is a medium-severity vulnerability in Apache Geode, published on 2 Oct 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

When an Apache Geode cluster before v1.2.1 is operating in secure mode, an unauthenticated client can enter multi-user authentication mode and send metadata messages. These metadata operations could leak information about application data types. In addition, an attacker could perform a denial of service attack on the cluster.

Weakness: CWE-200

Which versions are affected by CVE-2017-9797?

2 open source packages ship an affected version, including org.apache.geode:geode-core. It affects 1 product.

PackageAffectedFixed in
org.apache.geode:geode-core MavenFrom 1.0.01.2.1
org.apache.geode:geode-core MavenFrom 1.0.01.2.1

Products include Apache Geode.

How do I fix CVE-2017-9797?

Upgrade org.apache.geode:geode-core to 1.2.1 or later.

Is CVE-2017-9797 being exploited?

There is no known exploitation of CVE-2017-9797 in the wild and no public exploit code.

Sources

Also known as GHSA-vh98-fqfc-4hj3.

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