CVE-2020-7664 Arbitrary File Write via Archive Extraction (Zip Slip)

2020-06-1716:00:17

snyk

www.cve.org

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

EPSS

0.001

Percentile

43.5%

JSON

In all versions of the package github.com/unknwon/cae/zip, the ExtractTo function doesn’t securely escape file paths in zip archives which include leading or non-leading “…”. This allows an attacker to add or replace files system-wide.

CNA Affected

[
  {
    "product": "github.com/unknwon/cae/zip",
    "vendor": "n/a",
    "versions": [
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  }
]