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CVE-2020-26294

Date: January 4, 2021

Vela is a Pipeline Automation (CI/CD) framework built on Linux container technology written in Golang. In Vela compiler before version 0.6.1 there is a vulnerability which allows exposure of server configuration. It impacts all users of Vela. An attacker can use Sprig's `env` function to retrieve configuration information, see referenced GHSA for an example. This has been fixed in version 0.6.1. In addition to upgrading, it is recommended to rotate all secrets.

Language: Go

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2020-26294
https://pkg.go.dev/github.com/go-vela/compiler/compiler
https://github.com/helm/helm/blob/6297c021cbda1483d8c08a8ec6f4a99e38be7302/pkg/engine/funcs.go#L46-L47
https://github.com/go-vela/compiler/security/advisories/GHSA-gv2h-gf8m-r68j
https://github.com/go-vela/compiler/commit/f1ace5f8a05c95c4d02264556e38a959ee2d9bda
https://www.mend.io/vulnerability-database/CVE-2020-26294

Severity Score

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CWE-78

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
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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