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cvelistOpenEulerCVELIST:CVE-2021-33637
HistoryOct 29, 2023 - 7:58 a.m.

CVE-2021-33637 Export container in a malicious directory may cause process to be hijacked

2023-10-2907:58:55
CWE-665
openEuler
www.cve.org
isula export command
container security
process hijacking

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 export command is used to export a container to an image 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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