CVE-2015-1340 chmod race in doUidshiftIntoContainer

2015-10-0200:00:00

canonical

www.cve.org

7 High

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

8 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

60.0%

JSON

LXD before version 0.19-0ubuntu5 doUidshiftIntoContainer() has an unsafe Chmod() call that races against the stat in the Filepath.Walk() function. A symbolic link created in that window could cause any file on the system to have any mode of the attacker’s choice.

CNA Affected

[
  {
    "product": "LXD",
    "vendor": "Ubuntu",
    "versions": [
      {
        "lessThan": "0.19-0ubuntu5",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]