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CVE-2020-15692

Date: August 14, 2020

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.

Language: C

Severity Score

Related Resources (8)

https://nvd.nist.gov/vuln/detail/CVE-2020-15692
https://security-tracker.debian.org/tracker/CVE-2020-15692
https://nim-lang.org/blog/2020/07/30/versions-126-and-108-released.html
http://www.openwall.com/lists/oss-security/2021/02/04/1
https://github.com/nim-lang/Nim/blob/dc5a40f3f39c6ea672e6dc6aca7f8118a69dda99/lib/pure/browsers.nim#L48
https://consensys.net/diligence/vulnerabilities/nim-browsers-argument-injection/
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-15692
https://www.mend.io/vulnerability-database/CVE-2020-15692

Severity Score

Weakness Type (CWE)

Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

CWE-88

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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