CVE-2020-4305 Deserialization in InfoSphere Information Server

High 8.1 Published Updated

Remote attackers can execute arbitrary code on IBM InfoSphere Information Server by tricking users into visiting malicious websites.

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-2020-4305?

CVE-2020-4305 is a high-severity unsafe deserialization vulnerability in Ibm Infosphere Information Server, published on 9 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IBM InfoSphere Information Server 11.3, 11.5, and 11.7 could allow a remote attacker to execute arbitrary code on the system, caused by the deserialization of untrusted data. By persuading a victim to visit a specially crafted Web site, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 176677.

Weakness: CWE-502

Which versions are affected by CVE-2020-4305?

It affects 2 products.

Products include Ibm Infosphere Information Server, Ibm Infosphere Information Server on Cloud.

How do I fix CVE-2020-4305?

No fix has been published for CVE-2020-4305 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-2020-4305 being exploited?

There is no known exploitation of CVE-2020-4305 in the wild and no public exploit code.

All Ibm Infosphere Information Server vulnerabilities

Sources

Also known as GHSA-7r84-f4r2-q9q9.

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