CVE-2020-15692

critical

Description

In Nim 1.2.4, the standard library browsers mishandles the URL argument to browsers.openDefaultBrowser. This argument can be a local file path that will be opened in the default explorer. An attacker can pass one argument to the underlying open command to execute arbitrary registered system commands.

References

Advisories
More

https://nim-lang.org/blog/2020/07/30/versions-126-and-108-released.html

https://github.com/nim-lang/Nim/blob/dc5a40f3f39c6ea672e6dc6aca7f8118a69dda99/lib/pure/browsers.nim#L48

https://consensys.net/diligence/vulnerabilities/nim-browsers-argument-injection/

http://www.openwall.com/lists/oss-security/2021/02/04/1

Details

Source: Mitre, NVD

Published: 2020-08-14

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.01048