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Published: 14/08/2020 Updated: 08/02/2021

CVSS v2 Base Score: 10 | Impact Score: 10 | Exploitability Score: 10

CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9

VMScore: 890

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

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.

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nim-lang nim

CWE-88 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 http://www.openwall.com/lists/oss-security/2021/02/04/1 https://consensys.net/diligence/vulnerabilities/nim-browsers-argument-injection/https://nvd.nist.gov

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CVE-2020-15692

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