CVE-2022-41954 Temporary File Information Disclosure Vulnerability
Local attackers can read sensitive project schedule data from insecurely created temporary files on Unix-like systems using the MPXJ library.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-41954?
CVE-2022-41954 is a low-severity vulnerability in joniles mpxj, published on 25 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
MPXJ is an open source library to read and write project plans from a variety of file formats and databases. On Unix-like operating systems (not Windows or macos), MPXJ's use of `File.createTempFile(..)` results in temporary files being created with the permissions `-rw-r--r--`. This means that any other user on the system can read the contents of this file. When MPXJ is reading a schedule file which requires the creation of a temporary file or directory, a knowledgeable local user could locate these transient files while they are in use and would then be able to read the schedule being processed by MPXJ. The problem has been patched, MPXJ version 10.14.1 and later includes the necessary changes. Users unable to upgrade may set `java.io.tmpdir` to a directory to which only the user running the application has access will prevent other users from accessing these temporary files.
Which versions are affected by CVE-2022-41954?
11 open source packages ship an affected version, including mpxj, net.sf.mpxj:mpxj and net.sf.mpxj. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mpxj PyPI | All versions | 10.14.1 |
mpxj PyPI | All versions | 10.14.1 |
mpxj PyPI | All versions | 10.14.1 |
net.sf.mpxj:mpxj Maven | All versions | 10.14.1 |
net.sf.mpxj:mpxj Maven | All versions | 10.14.1 |
net.sf.mpxj NuGet | All versions | 10.14.1 |
5 more packages
net.sf.mpxj NuGet | All versions | 10.14.1 |
net.sf.mpxj-for-csharp NuGet | All versions | 10.14.1 |
net.sf.mpxj-for-csharp NuGet | All versions | 10.14.1 |
net.sf.mpxj-for-vb NuGet | All versions | 10.14.1 |
net.sf.mpxj-for-vb NuGet | All versions | 10.14.1 |
Products include Mpxj Mpxj.
How do I fix CVE-2022-41954?
Upgrade mpxj to 10.14.1 or later.
Is CVE-2022-41954 being exploited?
There is no known exploitation of CVE-2022-41954 in the wild and no public exploit code.
Other vulnerabilities in joniles mpxj
Sources
Also known as GHSA-jf2p-4gqj-849g, PYSEC-2022-42996.