CVE-2017-17088

HIGH

SyncBreeze < 10.2.12 - Denial of Service via Host Header Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2017-17088. PoCs published by Manuel García Cárdenas, ahmedahmohammad24.

AI-analyzed exploit summary This exploit demonstrates a Denial of Service (DoS) vulnerability in SyncBreeze Enterprise <= 10.2.12 by sending a maliciously crafted HTTP request with an oversized Host header, causing a buffer overflow and crashing the service.

Description

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.

Exploits (2)

exploitdb WORKING POC
by Manuel García Cárdenas · pythondoswindows
https://www.exploit-db.com/exploits/43344

This exploit demonstrates a Denial of Service (DoS) vulnerability in SyncBreeze Enterprise <= 10.2.12 by sending a maliciously crafted HTTP request with an oversized Host header, causing a buffer overflow and crashing the service.

Classification
Working Poc 100%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: SyncBreeze Enterprise <= 10.2.12
No auth needed
Prerequisites: Network access to the target's HTTP service (port 80)
devstral-2 · analyzed Feb 16, 2026 Full analysis →
gitlab STUB
by ahmedahmohammad24 · poc
https://gitlab.com/ahmedahmohammad24/lab

The repository contains minimal content, primarily CI/CD configuration files and a truncated Program.cs file. There is no functional exploit code or technical details related to CVE-2017-17088.

Classification
Stub 90%
Attack Type
Other
Complexity
Trivial
Reliability
Theoretical
Target: unknown
No auth needed
devstral-2 · analyzed Feb 23, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/43344/
Exploit, Mailing List, Third Party Advisory mailing-list x_refsource_fulldisc
http://seclists.org/fulldisclosure/2017/Dec/45
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/145435/Sync-Breeze-10.2.12-Denial-Of-Service.html

Scores

CVSS v3 7.5
EPSS 0.0698
EPSS Percentile 93.3%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-119
Status published
Products (1)
flexense/syncbreeze < 10.2.12
Published Dec 19, 2017
Tracked Since Feb 18, 2026