CVE-2019-8955
Severity Score
7.5
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
In Tor before 0.3.3.12, 0.3.4.x before 0.3.4.11, 0.3.5.x before 0.3.5.8, and 0.4.x before 0.4.0.2-alpha, remote denial of service against Tor clients and relays can occur via memory exhaustion in the KIST cell scheduler.
En Tor, en versiones anteriores a la 0.3.3.12, en las 0.3.4.x anteriores a la 0.3.4.11, en las 0.3.5.x anteriores a la 0.3.5.8 y en las 0.4.x anteriores a la 0.4.0.2-alpha, puede ocurrir una denegación de servicio (DoS) remota contra los clientes Tor, además de reproducciones mediante el agotamiento de memoria en el programador "KIST cell".
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2019-02-20 CVE Reserved
- 2019-02-21 CVE Published
- 2024-08-04 CVE Updated
- 2024-08-23 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-770: Allocation of Resources Without Limits or Throttling
CAPEC
References (4)
| URL | Tag | Source |
|---|---|---|
| http://www.securityfocus.com/bid/107136 | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Torproject Search vendor "Torproject" | Tor Search vendor "Torproject" for product "Tor" | < 0.3.3.12 Search vendor "Torproject" for product "Tor" and version " < 0.3.3.12" | - |
Affected
| ||||||
| Torproject Search vendor "Torproject" | Tor Search vendor "Torproject" for product "Tor" | >= 0.3.4.8 < 0.3.4.11 Search vendor "Torproject" for product "Tor" and version " >= 0.3.4.8 < 0.3.4.11" | - |
Affected
| ||||||
| Torproject Search vendor "Torproject" | Tor Search vendor "Torproject" for product "Tor" | 0.3.4.0 Search vendor "Torproject" for product "Tor" and version "0.3.4.0" | alpha-dev |
Affected
| ||||||
| Torproject Search vendor "Torproject" | Tor Search vendor "Torproject" for product "Tor" | 0.3.4.1 Search vendor "Torproject" for product "Tor" and version "0.3.4.1" | alpha |
Affected
| ||||||
| Torproject Search vendor "Torproject" | Tor Search vendor "Torproject" for product "Tor" | 0.3.4.2 Search vendor "Torproject" for product "Tor" and version "0.3.4.2" | alpha |
Affected
| ||||||
| Torproject Search vendor "Torproject" | Tor Search vendor "Torproject" for product "Tor" | 0.3.4.3 Search vendor "Torproject" for product "Tor" and version "0.3.4.3" | alpha |
Affected
| ||||||
| Torproject Search vendor "Torproject" | Tor Search vendor "Torproject" for product "Tor" | 0.3.4.4 Search vendor "Torproject" for product "Tor" and version "0.3.4.4" | rc |
Affected
| ||||||
| Torproject Search vendor "Torproject" | Tor Search vendor "Torproject" for product "Tor" | 0.3.4.5 Search vendor "Torproject" for product "Tor" and version "0.3.4.5" | rc |
Affected
| ||||||
| Torproject Search vendor "Torproject" | Tor Search vendor "Torproject" for product "Tor" | 0.3.4.6 Search vendor "Torproject" for product "Tor" and version "0.3.4.6" | rc |
Affected
| ||||||
| Torproject Search vendor "Torproject" | Tor Search vendor "Torproject" for product "Tor" | 0.3.4.7 Search vendor "Torproject" for product "Tor" and version "0.3.4.7" | rc |
Affected
| ||||||
| Torproject Search vendor "Torproject" | Tor Search vendor "Torproject" for product "Tor" | 0.3.5.0 Search vendor "Torproject" for product "Tor" and version "0.3.5.0" | alpha-dev |
Affected
| ||||||
| Torproject Search vendor "Torproject" | Tor Search vendor "Torproject" for product "Tor" | 0.3.5.1 Search vendor "Torproject" for product "Tor" and version "0.3.5.1" | alpha |
Affected
| ||||||
| Torproject Search vendor "Torproject" | Tor Search vendor "Torproject" for product "Tor" | 0.3.5.2 Search vendor "Torproject" for product "Tor" and version "0.3.5.2" | alpha |
Affected
| ||||||
| Torproject Search vendor "Torproject" | Tor Search vendor "Torproject" for product "Tor" | 0.3.5.3 Search vendor "Torproject" for product "Tor" and version "0.3.5.3" | alpha |
Affected
| ||||||
| Torproject Search vendor "Torproject" | Tor Search vendor "Torproject" for product "Tor" | 0.3.5.4 Search vendor "Torproject" for product "Tor" and version "0.3.5.4" | alpha |
Affected
| ||||||
| Torproject Search vendor "Torproject" | Tor Search vendor "Torproject" for product "Tor" | 0.3.5.5 Search vendor "Torproject" for product "Tor" and version "0.3.5.5" | alpha |
Affected
| ||||||
| Torproject Search vendor "Torproject" | Tor Search vendor "Torproject" for product "Tor" | 0.3.5.6 Search vendor "Torproject" for product "Tor" and version "0.3.5.6" | rc |
Affected
| ||||||
| Torproject Search vendor "Torproject" | Tor Search vendor "Torproject" for product "Tor" | 0.3.5.7 Search vendor "Torproject" for product "Tor" and version "0.3.5.7" | - |
Affected
| ||||||
| Torproject Search vendor "Torproject" | Tor Search vendor "Torproject" for product "Tor" | 0.4.0.1 Search vendor "Torproject" for product "Tor" and version "0.4.0.1" | alpha |
Affected
| ||||||