CVE-2020-25074 MoinMoin vulnerable to remote code execution via cache action
An attacker with upload privileges can exploit a directory traversal flaw in the cache action to achieve remote code execution on the MoinMoin wiki server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-25074?
CVE-2020-25074 is a critical path traversal vulnerability in Debian Debian Linux, published on 10 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The cache action in action/cache.py in MoinMoin through 1.9.10 allows directory traversal through a crafted HTTP request. An attacker who can upload attachments to the wiki can use this to achieve remote code execution.
Weakness: CWE-22
Which versions are affected by CVE-2020-25074?
3 open source packages ship an affected version, including moin. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
moin PyPI | All versions | 1.9.11 |
moin PyPI | All versions | 1.9.11 |
moin PyPI | All versions | 1.9.11 |
Products include Debian Debian Linux, Moinmo Moinmoin.
How do I fix CVE-2020-25074?
Upgrade moin to 1.9.11 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2020-25074 being exploited?
There is no known exploitation of CVE-2020-25074 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as GHSA-52q8-877j-gghq, PYSEC-2020-67, UBUNTU-CVE-2020-25074.