Synology: Three Security Advisories Concerning Multiple Vulnerabilities on DSM NAS OS, Presto File Server, and Samba

Synology, Inc. had published 3 security advisories concerning multiple vulnerabilities on DiskStation Manager NAS OS, Presto File Server, and Samba uses on DiskStation Manager (DSM), SMB Service and Synology Directory Server.

Synology-SA-22:18 DSM

Publish time: 2022-10-25 10:56:21 UTC+8
Last updated: 2022-10-25 10:56:21 UTC+8
Severity: Moderate
Status: Resolved

Abstract
Multiple vulnerabilities allow remote attackers to read or write arbitrary files or remote authenticated users to access intranet resources via a susceptible version of Synology DiskStation Manager (DSM).

Affected products

Mitigation: None

Detail:

CVE-2022-27622
- Severity: Moderate
- CVSS3 base score: 4.1
- CVSS3 vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
- Server-Side Request Forgery (SSRF) vulnerability in Package Center functionality in Synology DiskStation Manager (DSM) before 7.1-42661 allows remote authenticated users to access intranet resources via unspecified vectors.
CVE-2022-27623
- Severity: Moderate
- CVSS3 base score: 7.4
- CVSS3 vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- Missing authentication for critical function vulnerability in iSCSI management functionality in Synology DiskStation Manager (DSM) before 7.1-42661 allows remote attackers to read or write arbitrary files via unspecified vectors.

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

Revision

Synology-SA-22:19 Presto File Server

Publish time: 2022-10-25 10:56:25 UTC+8
Last updated: 2022-10-26 18:04:54 UTC+8
Severity: Moderate
Status: Resolved

Abstract
Multiple vulnerabilities allow remote attackers to write arbitrary files or remote authenticated users to bypass security constraint via a susceptible version of Presto File Server.

Affected products

Mitigation: None

Detail:

CVE-2022-43748
- Severity: Moderate
- CVSS3 base score: 5.8
- CVSS3 vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
- Improper limitation of a pathname to a restricted directory (‘Path Traversal’) vulnerability in file operation management in Synology Presto File Server before 2.1.2-1601 allows remote attackers to write arbitrary files via unspecified vectors.
CVE-2022-43749
- Severity: Moderate
- CVSS3 base score: 4.3
- CVSS3 vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- Improper privilege management vulnerability in summary report management in Synology Presto File Server before 2.1.2-1601 allows remote authenticated users to bypass security constraint via unspecified vectors.

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

Revision

Synology-SA-22:20 Samba

Publish time: 2022-10-27 13:44:08 UTC+8
Last updated: 2022-10-27 13:44:08 UTC+8
Severity: Moderate
Status: Ongoing

Abstract
CVE-2022-3437 allows remote authenticated users to conduct denial-of-service attacks via a susceptible version of Synology DiskStation Manager (DSM), SMB Service and Synology Directory Server.

None of Synology’s products are affected by CVE-2022-3592 as this vulnerability only affect Samba 4.17 and later.

Affected products