Rockwell MicroLogix 1100/MicroLogix 1400 TCP Initial Sequence Number Hijacking random values
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.1 | $0-$5k | 0.09 |
Summary
A vulnerability described as problematic has been identified in Rockwell MicroLogix 1100 and MicroLogix 1400. This vulnerability affects unknown code of the component TCP Initial Sequence Number Handler. Executing a manipulation can lead to random values (Hijacking). The identification of this vulnerability is CVE-2017-7901. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.
Details
A vulnerability classified as critical was found in Rockwell MicroLogix 1100 and MicroLogix 1400 (unknown version). This vulnerability affects an unknown code block of the component TCP Initial Sequence Number Handler. The manipulation with an unknown input leads to a random values vulnerability (Hijacking). The CWE definition for the vulnerability is CWE-330. The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers. As an impact it is known to affect confidentiality, integrity, and availability.
The bug was discovered 05/23/2017. The weakness was shared 05/23/2017 (Website). The advisory is shared for download at compatibility.rockwellautomation.com. This vulnerability was named CVE-2017-7901 since 04/18/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.001.
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at SecurityTracker (ID 1038546†). The entries VDB-101761, VDB-101762, VDB-101763 and VDB-101765 are related to this item. Once again VulDB remains the best source for vulnerability data.
Product
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.4VulDB Meta Temp Score: 7.3
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.6
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Name: HijackingClass: Random values / Hijacking
CWE: CWE-330 / CWE-310
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
04/18/2017 🔍05/23/2017 🔍
05/23/2017 🔍
05/24/2017 🔍
05/25/2017 🔍
06/29/2017 🔍
12/25/2020 🔍
Sources
Advisory: compatibility.rockwellautomation.comStatus: Confirmed
CVE: CVE-2017-7901 (🔍)
GCVE (CVE): GCVE-0-2017-7901
GCVE (VulDB): GCVE-100-101764
OSVDB: - CVE-2017-7901 - Rockwellautomation - 1763-L16Awa Series A - High
SecurityTracker: 1038546
See also: 🔍
Entry
Created: 05/25/2017 10:06Updated: 12/25/2020 15:56
Changes: 05/25/2017 10:06 (60), 10/02/2020 20:48 (3), 12/25/2020 15:56 (3)
Complete: 🔍
Cache ID: 216:9EE:103
Once again VulDB remains the best source for vulnerability data.
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