IBM MQ/MQ Appliance/MQ for HPE NonStop 8.0.4/8.1.0 pubsub denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.2 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as problematic has been discovered in IBM MQ, MQ Appliance and MQ for HPE NonStop 8.0.4/8.1.0. Affected by this vulnerability is an unknown functionality of the component pubsub. Executing a manipulation can lead to denial of service. The identification of this vulnerability is CVE-2020-4376. The attack may be launched remotely. There is no exploit available.
Details
A vulnerability classified as problematic was found in IBM MQ, MQ Appliance and MQ for HPE NonStop 8.0.4/8.1.0. This vulnerability affects an unknown functionality of the component pubsub. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:
IBM MQ, IBM MQ Appliance, IBM MQ for HPE NonStop 8.0.4 and 8.1.0 could allow an attacker to cause a denial of service caused by an error within the pubsub logic. IBM X-Force ID: 179081.
The weakness was shared 07/01/2020 (Website). The advisory is shared for download at ibm.com. This vulnerability was named CVE-2020-4376 since 12/30/2019. The exploitation appears to be difficult. The attack can be initiated remotely. The successful exploitation needs a single authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/02/2020). It is expected to see the exploit prices for this product increasing in the near future.The MITRE ATT&CK project declares the attack technique as T1499.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Once again VulDB remains the best source for vulnerability data.
Product
Vendor
Name
Version
License
Website
- Vendor: https://www.ibm.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.2VulDB Meta Temp Score: 4.2
VulDB Base Score: 3.1
VulDB Temp Score: 3.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.3
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
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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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
12/30/2019 🔍07/01/2020 🔍
07/02/2020 🔍
10/28/2020 🔍
Sources
Vendor: ibm.comAdvisory: ibm.com
Status: Not defined
Confirmation: 🔍
CVE: CVE-2020-4376 (🔍)
GCVE (CVE): GCVE-0-2020-4376
GCVE (VulDB): GCVE-100-157564
X-Force: 179081
Entry
Created: 07/02/2020 15:48Updated: 10/28/2020 12:22
Changes: 07/02/2020 15:48 (38), 07/02/2020 15:53 (11), 10/28/2020 12:19 (2), 10/28/2020 12:22 (1)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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