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CVE-2020-29529

Good to know:

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Date: December 3, 2020

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.

Language: Go

Severity Score

Related Resources (11)

https://github.com/hashicorp/go-slug
https://securitylab.github.com/advisories/GHSL-2020-262-zipslip-go-slug
https://nvd.nist.gov/vuln/detail/CVE-2020-29529
https://security-tracker.debian.org/tracker/CVE-2020-29529
https://pkg.go.dev/vuln/GO-2021-0094
https://github.com/hashicorp/go-slug/releases/tag/v0.5.0
https://github.com/hashicorp/go-slug/commit/764785bc4cbb9e600ad1cf1a6bd21b535c182983
https://github.com/hashicorp/go-slug/pull/12
https://github.com/hashicorp/go-slug/commit/28cafc59c8da6126a3ae94dfa84181df4073454f
https://github.com/hashicorp/go-slug/compare/v0.4.3...v0.5.0
https://www.mend.io/vulnerability-database/CVE-2020-29529

Severity Score

Weakness Type (CWE)

Improper Link Resolution Before File Access ('Link Following')

CWE-59

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE-22

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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