CVE-2019-4279 Deserialization in WebSphere Application Server
Remote attackers can execute arbitrary code on IBM WebSphere Application Server by sending specially crafted serialized objects.
- 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-2019-4279?
CVE-2019-4279 is a critical unsafe deserialization vulnerability in Ibm Websphere Application Server, published on 17 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources. IBM X-Force ID: 160445.
Weakness: CWE-502
Which versions are affected by CVE-2019-4279?
It affects 1 product.
Products include Ibm Websphere Application Server.
How do I fix CVE-2019-4279?
No fix has been published for CVE-2019-4279 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-2019-4279 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-4279 exists.
Public exploit code: 1 Metasploit module and 1 Exploit-DB entry.
Other vulnerabilities in Ibm Websphere Application Server
Sources
Also known as GHSA-86jp-p2qr-pc2r.