Auth bypass in Synology Photo Station
CVE-2017-9552
A design flaw in authentication in Synology Photo Station 6.0-2528 through 6.7.1-3419 allows local users to obtain credentials via cmdline. Synology Photo Station employs the synophoto_dsm_user program to authenticate username and password by "synophoto_dsm_user --auth USERNAME PASSWORD", and local users are able to obtain credentials by sniffing "/proc/*/cmdline".
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (23.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Synology Photo Station — versions 6.0-2528, 6.0-2636, 6.0-2638
- Synology Photo Station — versions 6.0-2528 through 6.7.1-3419
Weakness classification (CWE)
References
- www.synology.com/en-global/support/security/Photo_Station_CVE_2017_9552 (Third Party Advisory)
- blog.crozat.net/2017/06/synology-photostation-password-vulnerabilty.html (Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-9552?
- CVE-2017-9552 is a high-severity vulnerability in Synology Photo Station, classified under Insufficiently Protected Credentials. CVSS score: 7.8/10. Published 2017-06-13.
- How severe is CVE-2017-9552?
- High severity. CVSS v3 base score is 7.8 out of 10.