Synology-SA-22:14 USB Copy

Publish Time: 2022-08-03 11:21:59 UTC+8

Last Updated: 2022-08-03 14:13:44 UTC+8

Severity
Moderate
Status
Resolved

Abstract

A vulnerability allows remote authenticated users to read or write arbitrary files via a susceptible version of USB Copy.

Affected Products

Product Severity Fixed Release Availability
USB Copy for DSM 7.1 Moderate Upgrade to 2.2.0-1086 or above.
USB Copy for DSM 7.0 Moderate Upgrade to 2.2.0-1086 or above.
USB Copy for DSM 6.2 Moderate Upgrade to 2.1.1-0081 or above.

Mitigation

None

Detail

  • CVE-2022-27621
    • Severity: Moderate
    • CVSS3 Base Score: 5.5
    • CVSS3 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
    • Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in webapi component in Synology USB Copy before 2.2.0-1086 allows remote authenticated users to read or write arbitrary files via unspecified vectors.

Acknowledgement

Qian Chen (@cq674350529) from Codesafe Team of Legendsec at Qi'anxin Group

Revision

Revision Date Description
1 2022-08-03 Initial public release.
2 2022-08-03 Disclosed vulnerability details.