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cvelistOpenEulerCVELIST:CVE-2021-33638
HistoryOct 29, 2023 - 7:59 a.m.

CVE-2021-33638 Run copy with container in a malicious directory may cause container escaping

2023-10-2907:59:45
CWE-665
openEuler
www.cve.org
cve-2021-33638
isula cp command
container escape

8.4 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.8%

When the isula cp command is used to copy files from a container to a host machine and the container is controlled by an attacker, the attacker can escape the container.

CNA Affected

[
  {
    "collectionURL": "https://gitee.com/src-openeuler",
    "defaultStatus": "unaffected",
    "modules": [
      "image"
    ],
    "packageName": "iSulad",
    "platforms": [
      "Linux"
    ],
    "product": "iSulad",
    "programFiles": [
      "https://gitee.com/openeuler/iSulad/blob/master/src/utils/tar/util_archive.c"
    ],
    "repo": "https://gitee.com/src-openeuler/iSulad",
    "vendor": "openEuler",
    "versions": [
      {
        "changes": [
          {
            "at": "0102-fix-loading-of-nsswitch-based-config-inside-chr.patch",
            "status": "unaffected"
          },
          {
            "at": "0106-fix-loading-of-nsswitch-based-config-inside-chroot-u.patch",
            "status": "unaffected"
          }
        ],
        "lessThanOrEqual": "2.0.8-20210518.144540.git5288ed93,2.0.18-10,2.1.2",
        "status": "affected",
        "version": "0",
        "versionType": "patch"
      }
    ]
  }
]

8.4 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.8%

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