ZDI-20-688: IBM WebSphere UploadFileArgument Directory Traversal Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of IBM WebSphere. Authentication is not required to exploit this vulnerability. The specific flaw exists within the BroadcastMessageManager class. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| IBM WebSphere |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-20-688?
The severity of ZDI-20-688 is critical due to its potential for remote code execution.
How do I fix ZDI-20-688?
To fix ZDI-20-688, update to the latest patched version of IBM WebSphere as provided by IBM.
Who is affected by ZDI-20-688?
ZDI-20-688 affects installations of IBM WebSphere that are not adequately secured against this vulnerability.
Can ZDI-20-688 be exploited without authentication?
Yes, ZDI-20-688 can be exploited without any authentication, allowing remote attackers to execute code.
What is the impact of ZDI-20-688?
The impact of ZDI-20-688 includes the potential for unauthorized remote code execution on affected WebSphere installations.
- agent/type
- agent/references
- agent/softwarecombine
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-20-688
- alias/ZDI-CAN-10732
- alias/CVE-2020-4448
- agent/software-canonical-lookup
- agent/severity
- agent/title
- agent/description
- agent/tags
- agent/event
- agent/source
- vendor/ibm
- canonical/ibm websphere