Vulnerability Description
SABnzbd is an open source binary newsreader. A vulnerability was discovered in SABnzbd that could trick the `filesystem.renamer()` function into writing downloaded files outside the configured Download Folder via malicious PAR2 files. A patch was released as part of SABnzbd 3.2.1RC1. As a workaround, limit downloads to NZBs without PAR2 files, deny write permissions to the SABnzbd process outside areas it must access to perform its job, or update to a fixed version.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Sabnzbd | Sabnzbd | < 3.0.0 |
| Microsoft | Windows | - |
| Apple | Macos | - |
| Linux | Linux Kernel | - |
Related Weaknesses (CWE)
References
- https://github.com/sabnzbd/sabnzbd/security/advisories/GHSA-jwj3-wrvf-v3rpPatchThird Party Advisory
- https://github.com/sabnzbd/sabnzbd/security/advisories/GHSA-jwj3-wrvf-v3rpPatchThird Party Advisory
FAQ
What is CVE-2021-29488?
CVE-2021-29488 is a vulnerability with a CVSS score of 4.3 (MEDIUM). SABnzbd is an open source binary newsreader. A vulnerability was discovered in SABnzbd that could trick the `filesystem.renamer()` function into writing downloaded files outside the configured Downloa...
How severe is CVE-2021-29488?
CVE-2021-29488 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-29488?
Check the references section above for vendor advisories and patch information. Affected products include: Sabnzbd Sabnzbd, Microsoft Windows, Apple Macos, Linux Linux Kernel.