Path traversal in HashiCorp go-slug



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-29529
CWE-ID CWE-22
Exploitation vector Network
Public exploit N/A
Vulnerable software
 go-slug
Web applications / Modules and components for CMS

Vendor HashiCorp

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Path traversal

EUVDB-ID: #VU48809

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-29529

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when handling files and symlinks in Unpack function. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

go-slug: 0.1.0 - 0.4.3

CPE2.3 External links

https://github.com/hashicorp/go-slug/compare/v0.4.3...v0.5.0
https://github.com/hashicorp/go-slug/releases/tag/v0.5.0


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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