Synology-SA-20:13 CallStranger
Publish Time: 2020-06-16 18:39:57 UTC+8
Last Updated: 2021-07-08 17:10:09 UTC+8
- Severity
- Important
- Status
- Resolved
Abstract
A vulnerability allows remote attackers to obtain sensitive information or conduct denial-of-service attack via a susceptible version of Synology Router Manager (SRM) or Media Server.
Affected Products
| Product | Severity | Fixed Release Availability |
|---|---|---|
| DSM 6.2 | Not affected | N/A |
| SkyNAS | Not affected | N/A |
| VS960HD | Not affected | N/A |
| SRM 1.2 | Moderate | Upgrade to 1.2.4-8081 or above. |
| Media Server 1.8 | Important | Upgrade to DSM 7.0-41890 or above. |
| Audio Station 6 | Not affected | N/A |
| Video Station 2 | Not affected | N/A |
Mitigation
If you need immediate assistance, please contact Synology technical support via https://account.synology.com/support.
Detail
CVE-2020-12695 (Media Server 1.8)
- Severity: Important
- CVSS3 Base Score: 7.2
- CVSS3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L
- The Open Connectivity Foundation UPnP specification before 2020-04-17 does not forbid the acceptance of a subscription request with a delivery URL on a different network segment than the fully qualified event-subscription URL, aka the CallStranger issue.
CVE-2020-12695 (SRM 1.2)
- Severity: Moderate
- CVSS3 Base Score: 6.1
- CVSS3 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L
- The Open Connectivity Foundation UPnP specification before 2020-04-17 does not forbid the acceptance of a subscription request with a delivery URL on a different network segment than the fully qualified event-subscription URL, aka the CallStranger issue.
Reference
Revision
| Revision | Date | Description |
|---|---|---|
| 1 | 2020-06-16 | Initial public release. |
| 2 | 2020-06-18 | Update for SRM 1.2 is now available in Affected Products. |
| 3 | 2021-06-29 | Update for Media Server 1.8 is now available in Affected Products. |