CVE-2021-3709 Apport file permission bypass through emacs byte compilation errors

2021-10-0102:35:21

CWE-538

canonical

www.cve.org

cve-2021-3709; apport; file permission; emacs; byte compilation; errors

CVSS3

6.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

5.9

Confidence

High

EPSS

0.001

Percentile

32.8%

JSON

Function check_attachment_for_errors() in file data/general-hooks/ubuntu.py could be tricked into exposing private data via a constructed crash file. This issue affects: apport 2.14.1 versions prior to 2.14.1-0ubuntu3.29+esm8; 2.20.1 versions prior to 2.20.1-0ubuntu2.30+esm2; 2.20.9 versions prior to 2.20.9-0ubuntu7.26; 2.20.11 versions prior to 2.20.11-0ubuntu27.20; 2.20.11 versions prior to 2.20.11-0ubuntu65.3;

CNA Affected

[
  {
    "product": "apport",
    "vendor": "Canonical",
    "versions": [
      {
        "lessThan": "2.14.1-0ubuntu3.29+esm8",
        "status": "affected",
        "version": "2.14.1",
        "versionType": "custom"
      },
      {
        "lessThan": "2.20.1-0ubuntu2.30+esm2",
        "status": "affected",
        "version": "2.20.1",
        "versionType": "custom"
      },
      {
        "lessThan": "2.20.9-0ubuntu7.26",
        "status": "affected",
        "version": "2.20.9",
        "versionType": "custom"
      },
      {
        "changes": [
          {
            "at": "2.20.11-0ubuntu65.3",
            "status": "unaffected"
          }
        ],
        "lessThan": "2.20.11-0ubuntu27.20",
        "status": "affected",
        "version": "2.20.11",
        "versionType": "custom"
      }
    ]
  }
]