CVE-2022-3364 rdiffweb's unlimited length Fullname field can lead to DoS
An attacker can cause a denial of service or memory corruption by sending an excessively long Fullname parameter to rdiffweb.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-3364?
CVE-2022-3364 is a medium-severity denial of service vulnerability in ikus060/rdiffweb, published on 29 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Allocation of Resources Without Limits or Throttling in GitHub repository ikus060/rdiffweb prior to 2.5.0a3.
Weakness: CWE-770
Which versions are affected by CVE-2022-3364?
3 open source packages ship an affected version, including rdiffweb. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
rdiffweb PyPI | All versions | 2.4.10 |
rdiffweb PyPI | All versions | 2.5.0a3 |
rdiffweb PyPI | All versions | 2.5.0a3 |
Products include Ikus-Soft Rdiffweb.
How do I fix CVE-2022-3364?
Upgrade rdiffweb to a fixed version for your release line: 2.4.10 or 2.5.0a3.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-3364 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-3364 exists.
Other vulnerabilities in ikus060/rdiffweb
- CVE-2022-3167 Improper Restriction of Rendered UI Layers or Frames in ikus060/rdiffweb
- CVE-2022-3221 Cross-Site Request Forgery (CSRF) in ikus060/rdiffweb
- CVE-2022-4724 Improper Access Control in ikus060/rdiffweb
- CVE-2022-3389 Path Traversal in ikus060/rdiffweb
- CVE-2022-3371 rdiffweb's lack of token name length limit can result in DoS or memory corruption
Sources
Also known as GHSA-fqfg-c577-2vc3, PYSEC-2022-298.