Vulnerability Name:

CVE-2020-15692 (CCN-186875)

Assigned:2020-07-30
Published:2020-07-30
Updated:2021-02-08
Summary: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.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
9.8 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:10.0 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-88
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-15692

Source: MLIST
Type: Exploit, Mailing List, Third Party Advisory
[oss-security] 20210204 [CVE-2020-15692] Nim - stdlib Browsers - `open` Argument Injection

Source: MISC
Type: Exploit, Third Party Advisory
https://consensys.net/diligence/vulnerabilities/nim-browsers-argument-injection/

Source: XF
Type: UNKNOWN
nim-cve202015692-command-exec(186875)

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/nim-lang/Nim/blob/dc5a40f3f39c6ea672e6dc6aca7f8118a69dda99/lib/pure/browsers.nim#L48

Source: CCN
Type: Nim Web site
Nim

Source: CCN
Type: Nim Blog, 30 July 2020
Versions 1.2.6 and 1.0.8 released

Source: CONFIRM
Type: Release Notes, Third Party Advisory
https://nim-lang.org/blog/2020/07/30/versions-126-and-108-released.html

Vulnerable Configuration:Configuration 1:
  • cpe:/a:nim-lang:nim:*:*:*:*:*:*:*:* (Version <= 1.2.6)

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:428
    P
    Security update for nim (Important)
    2022-08-27
    BACK
    nim-lang nim *