Buffer overflow in Flexense Syncbreeze
CVE-2017-17099
There exists an unauthenticated SEH based Buffer Overflow vulnerability in the HTTP server of Flexense SyncBreeze Enterprise v10.1.16. When sending a GET request with an excessive length, it is possible for a malicious user to overwrite the SEH record and execute a payload that would run under the Windows SYSTEM account.
Vulnerability class: Buffer Overflow
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: 0.118 (96.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.118 · newest: 0.118 · change: 0.000
Affected products
- Flexense Syncbreeze — versions 10.1.16
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.exploit-db.com/exploits/42984/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- packetstormsecurity.com/files/144586/Sync-Breeze-Enterprise-10.1.16-SEH-Overflo… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-17099?
- CVE-2017-17099 is a high-severity vulnerability in Flexense Syncbreeze, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-12-03.
- How severe is CVE-2017-17099?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-17099 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.