CVE-2020-27348
6.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Canonical | snapcraft | 4.4 < 4.4.4 | affected |
| Canonical | snapcraft | 2.43.1 < 2.43.1+16.04.1 | affected |
Weaknesses
- CWE-427: CWE-427 Uncontrolled Search Path Element
ADP Enrichment
CVE Program Container
Additional References
- https://github.com/snapcore/snapcraft/pull/3345
- https://usn.ubuntu.com/usn/usn-4661-1
- https://bugs.launchpad.net/bugs/1901572
References
- https://github.com/snapcore/snapcraft/pull/3345
- https://usn.ubuntu.com/usn/usn-4661-1
- https://bugs.launchpad.net/bugs/1901572
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