CVE-2018-1797 Path traversal in WebSphere Application Server
A local attacker can write arbitrary files via a crafted ZIP archive in IBM WebSphere Application Server, requiring user interaction to extract the file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2018-1797?
CVE-2018-1797 is a medium-severity path traversal vulnerability in Ibm Websphere Application Server, published on 16 Nov 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 using Enterprise bundle Archives (EBA) could allow a local attacker to traverse directories on the system. By persuading a victim to extract a specially-crafted ZIP archive containing "dot dot slash" sequences (../), an attacker could exploit this vulnerability to write to arbitrary files on the system. Note: This vulnerability is known as "Zip-Slip". IBM X-Force ID: 149427.
Weakness: CWE-22
Which versions are affected by CVE-2018-1797?
It affects 1 product.
Products include Ibm Websphere Application Server.
How do I fix CVE-2018-1797?
No fix has been published for CVE-2018-1797 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2018-1797 being exploited?
There is no known exploitation of CVE-2018-1797 in the wild and no public exploit code.
Other vulnerabilities in Ibm Websphere Application Server
Sources
Also known as GHSA-vm68-xcc6-2f3g.