Belden Hirschmann Tofino Xenon Security Appliance prior 03.2.00 ModBus Packet mbap.length data processing
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.2 | $0-$5k | 0.00 |
A vulnerability was found in Belden Hirschmann Tofino Xenon Security Appliance. It has been rated as critical. This issue affects some unknown processing of the component ModBus Packet Handler. The manipulation of the argument mbap.length
as part of a Crafted Packet leads to a data processing vulnerability. Using CWE to declare the problem leads to CWE-19. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
An issue has been discovered on the Belden Hirschmann Tofino Xenon Security Appliance before 03.2.00. Improper handling of the mbap.length field of ModBus packets in the ModBus DPI filter allows an attacker to send malformed/crafted packets to a protected asset, bypassing function code filtering.
The bug was discovered 11/06/2017. The weakness was published 11/20/2017 (Website). The advisory is shared at github.com. The identification of this vulnerability is CVE-2017-11401 since 07/17/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.
The vulnerability was handled as a non-public zero-day exploit for at least 14 days. During that time the estimated underground price was around $0-$5k.
Upgrading to version 03.2.00 eliminates this vulnerability.
Similar entries are available at 109744 and 109746.
Product
Vendor
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
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: Data processingCWE: CWE-19
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: Tofino Xenon Security Appliance 03.2.00
Timeline
07/17/2017 🔍11/06/2017 🔍
11/20/2017 🔍
11/20/2017 🔍
11/21/2017 🔍
12/09/2019 🔍
Sources
Advisory: github.comStatus: Not defined
CVE: CVE-2017-11401 (🔍)
See also: 🔍
Entry
Created: 11/21/2017 07:47Updated: 12/09/2019 08:26
Changes: 11/21/2017 07:47 (60), 12/09/2019 08:26 (1)
Complete: 🔍
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