CVE-2020-29529: Path Traversal
First published: Thu Dec 03 2020(Updated: )
HashiCorp go-slug up to 0.4.3 did not fully protect against directory traversal while unpacking tar archives, and protections could be bypassed with specific constructions of multiple symlinks. Fixed in 0.5.0.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/go-slug | <0.5.0 | 0.5.0 |
| HashiCorp go-slug | <0.5.0 |
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Reference Links
- https://github.com/hashicorp/go-slug/compare/v0.4.3...v0.5.0
- https://github.com/hashicorp/go-slug/pull/12
- https://github.com/hashicorp/go-slug/releases/tag/v0.5.0
- https://securitylab.github.com/advisories/GHSL-2020-262-zipslip-go-slug
- https://access.redhat.com/errata/RHSA-2021:1168
- https://access.redhat.com/security/cve/cve-2020-29529
- https://bugzilla.redhat.com/show_bug.cgi?id=1914238
- https://www.cve.org/CVERecord?id=CVE-2020-29529 https://nvd.nist.gov/vuln/detail/CVE-2020-29529
Frequently Asked Questions
What is CVE-2020-29529?
CVE-2020-29529 is a vulnerability in HashiCorp go-slug up to version 0.4.3 that allows directory traversal while unpacking tar archives, which can be bypassed with specific constructions of multiple symlinks.
How severe is CVE-2020-29529?
CVE-2020-29529 has a severity rating of 7, which is considered high.
How can I fix CVE-2020-29529?
CVE-2020-29529 can be fixed by updating HashiCorp go-slug to version 0.5.0 or higher.
Where can I find more information about CVE-2020-29529?
You can find more information about CVE-2020-29529 on the following references: [Reference 1](https://github.com/hashicorp/go-slug/compare/v0.4.3...v0.5.0), [Reference 2](https://github.com/hashicorp/go-slug/pull/12), [Reference 3](https://github.com/hashicorp/go-slug/releases/tag/v0.5.0)
What are the Common Weakness Enumerations (CWE) associated with CVE-2020-29529?
The Common Weakness Enumerations (CWE) associated with CVE-2020-29529 are CWE-22 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')) and CWE-59 (Improper Link Resolution Before File Access ('Link Following')).
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