Nimble arbitrary code execution for specially crafted package metadata
CVE-2021-21372

8.3HIGH

Key Information:

Vendor

Nim-lang

Status
Security
Vendor
CVE Published:
26 March 2021

What is CVE-2021-21372?

Nimble is a package manager for the Nim programming language. In Nim release version before versions 1.2.10 and 1.4.4, Nimble doCmd is used in different places and can be leveraged to execute arbitrary commands. An attacker can craft a malicious entry in the packages.json package list to trigger code execution.

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Affected Version(s)

security < 1.2.10 < 1.2.10

security >= 1.4.0, < 1.4.4 < 1.4.0, 1.4.4

References

https://consensys.net/diligence/vulnerabilities/nim-insec...
x_refsource_MISC
https://github.com/nim-lang/security/security/advisories/...
x_refsource_CONFIRM
https://github.com/nim-lang/nimble/blob/master/changelog....
x_refsource_MISC

CVSS V3.1

Score:
8.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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