Mattermost Server up to 4.10.6/5.6.4/5.7.1 OpenGraph resource consumption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.1 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic was found in Mattermost Server up to 4.10.6/5.6.4/5.7.1. The impacted element is an unknown function of the component OpenGraph Handler. Such manipulation leads to resource consumption. This vulnerability is referenced as CVE-2019-20880. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.
Details
A vulnerability was found in Mattermost Server up to 4.10.6/5.6.4/5.7.1 and classified as problematic. Affected by this issue is an unknown function of the component OpenGraph Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. CVE summarizes:
An issue was discovered in Mattermost Server before 5.8.0, 5.7.2, 5.6.5, and 4.10.7. It allows attackers to cause a denial of service (memory consumption) via OpenGraph.
The weakness was published 06/19/2020 (Website). The advisory is available at mattermost.com. This vulnerability is handled as CVE-2019-20880 since 06/19/2020. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.
Upgrading to version 4.10.7, 5.6.5, 5.7.2 or 5.8.0 eliminates this vulnerability.
Similar entries are available at VDB-156956, VDB-156957, VDB-156958 and VDB-156959. If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource consumptionCWE: CWE-400 / 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 |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Mattermost Server 4.10.7/5.6.5/5.7.2/5.8.0
Timeline
06/19/2020 🔍06/19/2020 🔍
06/20/2020 🔍
10/25/2020 🔍
Sources
Advisory: mattermost.comStatus: Not defined
Confirmation: 🔍
CVE: CVE-2019-20880 (🔍)
GCVE (CVE): GCVE-0-2019-20880
GCVE (VulDB): GCVE-100-157010
See also: 🔍
Entry
Created: 06/20/2020 08:01Updated: 10/25/2020 18:50
Changes: 06/20/2020 08:01 (39), 06/20/2020 08:06 (17), 10/25/2020 18:50 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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