CVE-2020-29529
HIGHCVSS 7.5/10EPSS 2.78%
Last modified
CVE-2020-29529 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 2.78% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Hashicorp | Go-Slug | < 0.5.0 |
References
- https://github.com/hashicorp/go-slug/compare/v0.4.3...v0.5.0Patch, Release Notes, Third Party Advisory
- https://github.com/hashicorp/go-slug/pull/12Patch, Third Party Advisory
- https://github.com/hashicorp/go-slug/releases/tag/v0.5.0Release Notes, Third Party Advisory
- https://securitylab.github.com/advisories/GHSL-2020-262-zipslip-go-slugExploit, Third Party Advisory
- https://github.com/hashicorp/go-slug/compare/v0.4.3...v0.5.0Patch, Release Notes, Third Party Advisory
- https://github.com/hashicorp/go-slug/pull/12Patch, Third Party Advisory
- https://github.com/hashicorp/go-slug/releases/tag/v0.5.0Release Notes, Third Party Advisory
- https://securitylab.github.com/advisories/GHSL-2020-262-zipslip-go-slugExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-29529?
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.
How severe is CVE-2020-29529?
CVE-2020-29529 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.78% probability of exploitation in the next 30 days.
How do I fix CVE-2020-29529?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-29529?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST