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Arbitrary Code Execution Affecting src.elv.sh Open this link in a new tab package, versions <0.14.0

0.0
high

  • Attack Complexity

    High

  • User Interaction

    Required

  • Scope

    Changed

  • Confidentiality

    High

  • Integrity

    High

  • Availability

    High

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  • snyk-id

    SNYK-GOLANG-SRCELVSH-1658290

  • published

    24 Sep 2021

  • disclosed

    23 Sep 2021

  • credit

    Unknown

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Introduced: 23 Sep 2021

CVE-2021-41088 Open this link in a new tab
CWE-668 Open this link in a new tab

How to fix?

Upgrade src.elv.sh to version 0.14.0 or higher.

Overview

src.elv.sh is an expressive programming language and a versatile interactive shell, combined into one seamless package. It runs on Linux, BSDs, macOS and Windows.

Affected versions of this package are vulnerable to Arbitrary Code Execution. Elvish's backend for the experimental web UI (started by elvish -web) hosts an endpoint that allows executing the code sent from the web UI. The backend does not check the origin of requests correctly. As a result, if the user has the web UI backend open and visits a compromised or malicious website, the website can send arbitrary code to the endpoint in localhost.

References