Multiple vulnerabilities in Synology Active Backup for Business



Risk Medium
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2024-47264
CVE-2024-47265
CVE-2024-47266
CWE-ID CWE-22
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Active Backup for Business
Other software / Other software solutions

Vendor Synology Inc.

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Path traversal

EUVDB-ID: #VU107383

Risk: Low

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-47264

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in agent-related functionality. A remote administrator can send a specially crafted HTTP request and delete arbitrary files on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Active Backup for Business: before 2.7.1-3234

CPE2.3 External links

https://www.synology.com/en-global/security/advisory/Synology_SA_25_02


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Path traversal

EUVDB-ID: #VU107384

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-47265

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in encrypted share umount functionality. A remote user can send a specially crafted HTTP request and write arbitrary files on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Active Backup for Business: before 2.7.1-3234

CPE2.3 External links

https://www.synology.com/en-global/security/advisory/Synology_SA_25_02


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Path traversal

EUVDB-ID: #VU107385

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-47266

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in share file list functionality. A remote administrator can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Active Backup for Business: before 2.7.1-3234

CPE2.3 External links

https://www.synology.com/en-global/security/advisory/Synology_SA_25_02


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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