CVE-2018-1904 Deserialization in WebSphere Application Server

What is CVE-2018-1904?

CVE-2018-1904 is a high-severity unsafe deserialization vulnerability in Ibm Websphere Application Server, published on 11 Dec 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow remote attackers to execute arbitrary Java code through an administrative client class with a serialized object from untrusted sources. IBM X-Force ID: 152533.

Weakness: CWE-502

Which versions are affected by CVE-2018-1904?

It affects 1 product.

Products include Ibm Websphere Application Server.

How do I fix CVE-2018-1904?

No fix has been published for CVE-2018-1904 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-2018-1904 being exploited?

There is no known exploitation of CVE-2018-1904 in the wild and no public exploit code.

Other vulnerabilities in Ibm Websphere Application Server

• CVE-2015-1920 Code injection in n/a Critical 10.0
• CVE-2013-0462 Other in n/a Critical 10.0
• CVE-2011-1377 Security feature bypass in n/a Critical 10.0
• CVE-2010-3186 Other in n/a Critical 10.0
• CVE-2009-1899 Information disclosure in n/a Critical 10.0

All Ibm Websphere Application Server vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-4mxc-25gg-cmp8.