CVE-2020-27348
Medium
Description
In some conditions, a snap package built by snapcraft includes the current directory in LD_LIBRARY_PATH, allowing a malicious snap to gain code execution within the context of another snap if both plug the home interface or similar. This issue affects snapcraft versions prior to 4.4.4, prior to 2.43.1+16.04.1, and prior to 2.43.1+18.04.1.
SeverityMedium
CVSS6.8
Exploit probability—
ProductCanonical Snapcraft
PublishedDec 4, 2020
First seenDec 4, 2020
Weakness typeCWE-427CWE-427
How to fix
Update
- canonical snapcraft4.4.4 or later
- snapcraft4.4.4, 2.43.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| canonical snapcraft | v < 4.4.4 | 4.4.4 |
| canonical ubuntu_linux | 16.04, 18.04 | — |
| snapcraftPyPI | v < 4.4.4, v < 2.43.1 | 4.4.4, 2.43.1 |
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