CVE-2023-2831
Denial of Service while unescaping a Markdown string
Severity Score
6.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Mattermost fails to unescape Markdown strings in a memory-efficient way, allowing an attacker to cause a Denial of Service by sending a message containing a large number of escaped characters.
*Credits:
claverrat
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-05-22 CVE Reserved
- 2023-06-16 CVE Published
- 2024-06-22 EPSS Updated
- 2024-08-02 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-400: Uncontrolled Resource Consumption
CAPEC
References (1)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://mattermost.com/security-updates | 2023-06-26 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Mattermost Search vendor "Mattermost" | Mattermost Search vendor "Mattermost" for product "Mattermost" | >= 7.1.0 <= 7.1.9 Search vendor "Mattermost" for product "Mattermost" and version " >= 7.1.0 <= 7.1.9" | - |
Affected
| ||||||
| Mattermost Search vendor "Mattermost" | Mattermost Search vendor "Mattermost" for product "Mattermost" | >= 7.8.0 <= 7.8.4 Search vendor "Mattermost" for product "Mattermost" and version " >= 7.8.0 <= 7.8.4" | - |
Affected
| ||||||
| Mattermost Search vendor "Mattermost" | Mattermost Search vendor "Mattermost" for product "Mattermost" | >= 7.9.0 <= 7.9.3 Search vendor "Mattermost" for product "Mattermost" and version " >= 7.9.0 <= 7.9.3" | - |
Affected
| ||||||
| Mattermost Search vendor "Mattermost" | Mattermost Search vendor "Mattermost" for product "Mattermost" | 7.10.0 Search vendor "Mattermost" for product "Mattermost" and version "7.10.0" | - |
Affected
| ||||||