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SnykCVE-2022-21187

HistoryMar 14, 2022 - 6:15 p.m.

CVE-2022-21187

2022-03-1418:15:07

CWE-88

snyk

web.nvd.nist.gov

cve-2022-21187

nvd

libvcs

command injection

argument injection

update_repo function

arbitrary command execution

security vulnerability

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

Confidence

High

EPSS

0.005

Percentile

75.5%

JSON

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.

Affected configurations

Nvd

Node

libvcs_projectlibvcsRange<0.11.1

VendorProductVersionCPE
libvcs_projectlibvcs*cpe:2.3:a:libvcs_project:libvcs:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
libvcs_project	libvcs	*	cpe:2.3:a:libvcs_project:libvcs::::::::

CNA Affected

[
  {
    "product": "libvcs",
    "vendor": "n/a",
    "versions": [
      {
        "lessThan": "0.11.1",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

github.com/vcs-python/libvcs/blob/v0.11.1/CHANGES%23libvcs-0111-2022-03-12

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

snyk.io/vuln/SNYK-PYTHON-LIBVCS-2421204

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

Confidence

High

EPSS

0.005

Percentile

75.5%

JSON

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