Fuji Electric V-Server prior 6.0.33.0 Service Port 8005 vserver.exe UDP Message integer overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.2 | $0-$5k | 0.00 |
A vulnerability was found in Fuji Electric V-Server. It has been classified as critical. Affected is an unknown code block of the file vserver.exe of the component Service Port 8005. The manipulation as part of a UDP Message leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
Fuji Electric V-Server before 6.0.33.0 is vulnerable to denial of service via a crafted UDP message sent to port 8005. An unauthenticated, remote attacker can crash vserver.exe due to an integer overflow in the UDP message handling logic.
The weakness was presented 06/12/2019 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2019-3946 since 01/03/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.
Upgrading to version 6.0.33.0 eliminates this vulnerability.It is possible to mitigate the weakness by firewalling udp/8005. The best possible mitigation is suggested to be upgrading to the latest version.
See 136429 for similar entry.
Product
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.4VulDB Meta Temp Score: 7.2
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Integer overflowCWE: CWE-190 / CWE-189
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 |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: V-Server 6.0.33.0
Firewalling: 🔍
Timeline
01/03/2019 🔍06/12/2019 🔍
06/12/2019 🔍
10/05/2023 🔍
Sources
Advisory: securityfocus.com⛔Status: Not defined
CVE: CVE-2019-3946 (🔍)
SecurityFocus: 108740
See also: 🔍
Entry
Created: 06/12/2019 21:52Updated: 10/05/2023 08:30
Changes: 06/12/2019 21:52 (58), 06/23/2020 16:36 (1), 10/05/2023 08:30 (4)
Complete: 🔍
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