CVE-2022-21187 : The package libvcs before 0.11.1 are vulnerable to Command Injection via argumen

The package libvcs before 0.11.1 are vulnerable to Command Injection via argument injection. When calling the update_repo function (when using hg), the url parameter is passed to the hg clone command. By injecting some hg options it was possible to get arbitrary command execution.

Published 2022-03-14 18:15:08

Updated 2022-03-22 15:00:58

Source Snyk

View at NVD, CVE.org

Products affected by CVE-2022-21187

Libvcs Project » Libvcs
Versions before (<) 0.11.1
cpe:2.3:a:libvcs_project:libvcs:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2022-21187

EPSS FAQ

0.45%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 75 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-21187

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
8.1	HIGH	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	2.2	5.9	Snyk
Attack Vector: Network Attack Complexity: High Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2022-21187

CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')

The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2022-21187

https://github.com/vcs-python/libvcs/pull/306

Alias command injection by tony · Pull Request #306 · vcs-python/libvcs · GitHub
Patch;Third Party Advisory
https://github.com/vcs-python/libvcs/blob/v0.11.1/CHANGES%23libvcs-0111-2022-03-12

Page not found · GitHub · GitHub
Release Notes;Third Party Advisory
https://snyk.io/vuln/SNYK-PYTHON-LIBVCS-2421204

Command Injection in libvcs | CVE-2022-21187 | Snyk
Third Party Advisory

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Vulnerability Details : CVE-2022-21187

Products affected by CVE-2022-21187

Exploit prediction scoring system (EPSS) score for CVE-2022-21187

CVSS scores for CVE-2022-21187

CWE ids for CVE-2022-21187

References for CVE-2022-21187