CVE-2020-27350 apt integer wraparound

2020-12-0900:00:00

CWE-190

canonical

www.cve.org

5.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

5.3 Medium

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

17.8%

JSON

APT had several integer overflows and underflows while parsing .deb packages, aka GHSL-2020-168 GHSL-2020-169, in files apt-pkg/contrib/extracttar.cc, apt-pkg/deb/debfile.cc, and apt-pkg/contrib/arfile.cc. This issue affects: apt 1.2.32ubuntu0 versions prior to 1.2.32ubuntu0.2; 1.6.12ubuntu0 versions prior to 1.6.12ubuntu0.2; 2.0.2ubuntu0 versions prior to 2.0.2ubuntu0.2; 2.1.10ubuntu0 versions prior to 2.1.10ubuntu0.1;

CNA Affected

[
  {
    "product": "apt",
    "vendor": "Canonical",
    "versions": [
      {
        "lessThan": "1.2.32ubuntu0.2",
        "status": "affected",
        "version": "1.2.32ubuntu0",
        "versionType": "custom"
      },
      {
        "lessThan": "1.6.12ubuntu0.2",
        "status": "affected",
        "version": "1.6.12ubuntu0",
        "versionType": "custom"
      },
      {
        "lessThan": "2.0.2ubuntu0.2",
        "status": "affected",
        "version": "2.0.2ubuntu0",
        "versionType": "custom"
      },
      {
        "lessThan": "2.1.10ubuntu0.1",
        "status": "affected",
        "version": "2.1.10ubuntu0",
        "versionType": "custom"
      }
    ]
  }
]