CVE-2020-16122 Packagekit's apt backend lets user install untrusted local packages

2020-06-1200:00:00

CWE-269

canonical

www.cve.org

8.2 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.7 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.7%

JSON

PackageKit’s apt backend mistakenly treated all local debs as trusted. The apt security model is based on repository trust and not on the contents of individual files. On sites with configured PolicyKit rules this may allow users to install malicious packages.

CNA Affected

[
  {
    "product": "packagekit",
    "vendor": "PackageKit",
    "versions": [
      {
        "lessThan": "1.1.13-2ubuntu1.1",
        "status": "affected",
        "version": "1.1.13-2ubuntu",
        "versionType": "custom"
      },
      {
        "lessThan": "1.1.9-1ubuntu2.18.04.6",
        "status": "affected",
        "version": "1.1.9-1ubuntu",
        "versionType": "custom"
      },
      {
        "lessThan": "0.8.17-4ubuntu6~gcc5.4ubuntu1.5",
        "status": "affected",
        "version": "0.8.17-4ubuntu",
        "versionType": "custom"
      }
    ]
  }
]