Weak Permissions in Synology Download Station Allow Remote Code Execution
CVE-2017-11156

7.8HIGH

Key Information:

Vendor

Synology
Status
Synology Download Station
Vendor
CVE Published:
14 August 2017

What is CVE-2017-11156?

Synology Download Station versions 3.8.x prior to 3.8.5-3475 and 3.x prior to 3.5-2984 exhibit a security flaw due to weak file permissions set to 0777 for the ui/dlm/btsearch directory. This misconfiguration permits remote authenticated users to upload executable files, potentially allowing them to execute arbitrary code on the server through various unspecified vectors. Users are strongly advised to upgrade to the latest versions to mitigate the risks associated with this vulnerability.

Affected Version(s)

Synology Download Station 3.8.x before 3.8.5-3475 and 3.x before 3.5-2984

References

https://www.synology.com/en-global/support/security/Synol...
x_refsource_CONFIRM

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.