Flexense SyncBreeze Enterprise up to 10.3.14 Command Name Long Argument memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
9.4 | $0-$5k | 0.00 |
A vulnerability classified as very critical was found in Flexense SyncBreeze Enterprise up to 10.3.14. Affected by this vulnerability is an unknown code of the component Command Name Handler. The manipulation as part of a Long Argument leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
A buffer overflow vulnerability in "Add command" functionality exists in Flexense SyncBreeze Enterprise <= 10.3.14. The vulnerability can be triggered by an authenticated attacker who submits more than 5000 characters as the command name. It will cause termination of the SyncBreeze Enterprise server and possibly remote command execution with SYSTEM privilege.
The bug was discovered 02/02/2018. The weakness was shared 02/06/2018 as not defined mailinglist post (Full-Disclosure). It is possible to read the advisory at seclists.org. This vulnerability is known as CVE-2017-17996 since 12/29/2017. The exploitation appears to be easy. The attack can be launched remotely. A single authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/02/2020).
The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.4VulDB Meta Temp Score: 9.4
VulDB Base Score: 9.9
VulDB Temp Score: 9.9
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
12/29/2017 🔍02/02/2018 🔍
02/06/2018 🔍
02/06/2018 🔍
02/07/2018 🔍
01/02/2020 🔍
Sources
Advisory: seclists.orgStatus: Not defined
CVE: CVE-2017-17996 (🔍)
Entry
Created: 02/07/2018 08:22Updated: 01/02/2020 08:18
Changes: 02/07/2018 08:22 (58), 01/02/2020 08:18 (1)
Complete: 🔍
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