Synology-SA-22:01 DSM

Abstract

Multiple vulnerabilities allow remote attackers, or remote authenticated users to inject arbitrary web script or HTML via a susceptible version of DiskStation Manager (DSM).

Affected Products

Product	Severity	Fixed Release Availability
DSM 7.0	Moderate	Upgrade to 7.0.1-42218-2 or above.
DSM 6.2	Moderate	Upgrade to 6.2.4-25556-3 or above.
DSMUC 3.0	Moderate	Will not fix
VS Firmware 2.3	Moderate	Will not fix

Mitigation

None

Detail

• CVE-2021-43925

  • Severity: Moderate
  • CVSS3 Base Score: 4.7
  • CVSS3 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
  • Improper neutralization of special elements used in an SQL command ('SQL Injection') vulnerability in Log Management functionality in Synology DiskStation Manager (DSM) before 7.0.1-42218-2 allows remote attackers to inject SQL commands via unspecified vectors.

• CVE-2021-43926

  • Severity: Moderate
  • CVSS3 Base Score: 4.7
  • CVSS3 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
  • Improper neutralization of special elements used in an SQL command ('SQL Injection') vulnerability in Log Management functionality in Synology DiskStation Manager (DSM) before 7.0.1-42218-2 allows remote attackers to inject SQL commands via unspecified vectors.

• CVE-2021-43927

  • Severity: Moderate
  • CVSS3 Base Score: 4.7
  • CVSS3 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
  • Improper neutralization of special elements used in an SQL command ('SQL Injection') vulnerability in Security Management functionality in Synology DiskStation Manager (DSM) before 7.0.1-42218-2 allows remote attackers to inject SQL commands via unspecified vectors.

• CVE-2021-43929

  • Severity: Moderate
  • CVSS3 Base Score: 6.5
  • CVSS3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
  • Improper neutralization of special elements in output used by a downstream component ('Injection') vulnerability in work flow management in Synology DiskStation Manager (DSM) before 7.0.1-42218-2 allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.

• CVE-2022-22679

  • Severity: Moderate
  • CVSS3 Base Score: 6.5
  • CVSS3 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
  • Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in support service management in Synology DiskStation Manager (DSM) before 7.0.1-42218-2 allows remote authenticated users to write arbitrary files via unspecified vectors.

• CVE-2022-22680

  • Severity: Moderate
  • CVSS3 Base Score: 5.3
  • CVSS3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  • Exposure of sensitive information to an unauthorized actor vulnerability in Web Server in Synology DiskStation Manager (DSM) before 7.0.1-42218-2 allows remote attackers to obtain sensitive information via unspecified vectors.

Acknowledgement

• Eugene Lim, Government Technology Agency of Singapore

• Loke Hui Yi, Government Technology Agency of Singapore

• Thomas Fady

Reference

• CVE-2021-43925
• CVE-2021-43926
• CVE-2021-43927
• CVE-2021-43929
• CVE-2022-22679
• CVE-2022-22680

Revision

Revision	Date	Description
1	2022-01-11	Initial public release.
2	2022-03-01	Update the Acknowledgement.
3	2022-04-12	Disclosed vulnerability details.