CVE-2017-17088

Syncbreeze vulnerability

CVSS

7.5

EPSS

7.0%

EPSS pct

93th

Exploited

No known

The Enterprise version of SyncBreeze 10.2.12 and earlier is affected by a Remote Denial of Service vulnerability. The web server does not check bounds when reading server requests in the Host header on making a connection, resulting in a classic Buffer Overflow that causes a Denial of Service.

Affected vendor

Flexense

Affected product

Syncbreeze

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness type (CWE)

CWE-119 — Improper Restriction of Operations within Memory Bounds

Published

2017-12-19

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 7.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2017-17088

Confirm whether Flexense Syncbreeze is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-17088.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-17088

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-17088 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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