Moderate severityNVD Advisory· Published Dec 4, 2020· Updated Sep 16, 2024
snapcraft may build snaps with incorrect LD_LIBRARY_PATH
CVE-2020-27348
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
snapcraftPyPI | < 4.4.4 | 4.4.4 |
Affected products
2- Canonical/snapcraftv5Range: 4.4
Patches
Vulnerability mechanics
References
7- github.com/advisories/GHSA-qxm5-vx5j-pp6wghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2020-27348ghsaADVISORY
- bugs.launchpad.net/bugs/1901572ghsax_refsource_MISCWEB
- github.com/pypa/advisory-database/tree/main/vulns/snapcraft/PYSEC-2020-109.yamlghsaWEB
- github.com/snapcore/snapcraft/commit/a0ceca9d531a34c979251030ed67b5fa2abfdd9aghsaWEB
- github.com/snapcore/snapcraft/pull/3345ghsax_refsource_MISCWEB
- usn.ubuntu.com/usn/usn-4661-1ghsax_refsource_MISCWEB
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