// For flags

CVE-2017-8819

 

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 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, the replay-cache protection mechanism is ineffective for v2 onion services, aka TROVE-2017-009. An attacker can send many INTRODUCE2 cells to trigger this issue.

En Tor, en versiones anteriores a la 0.2.5.16; de la versión 0.2.6 hasta la 0.2.8 anterior a la 0.2.8.17; versiones 0.2.9 anteriores a la 0.2.9.14; versiones 0.3.0 anteriores a la 0.3.0.13 y versiones 0.3.1 anteriores a la 0.3.1.9, el mecanismo de protección del caché de reproducción no funciona para servicios onion v2. Esto también se conoce como TROVE-2017-009. Un atacante puede enviar múltiples celdas INTRODUCE2 para desencadenar este problema.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2017-05-07 CVE Reserved
  • 2017-12-03 CVE Published
  • 2023-03-07 EPSS Updated
  • 2024-08-05 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Tor Project
Search vendor "Tor Project"
Tor
Search vendor "Tor Project" for product "Tor"
< 0.2.5.16
Search vendor "Tor Project" for product "Tor" and version " < 0.2.5.16"
-
Affected
Tor Project
Search vendor "Tor Project"
Tor
Search vendor "Tor Project" for product "Tor"
>= 0.2.6 < 0.2.8.17
Search vendor "Tor Project" for product "Tor" and version " >= 0.2.6 < 0.2.8.17"
-
Affected
Tor Project
Search vendor "Tor Project"
Tor
Search vendor "Tor Project" for product "Tor"
>= 0.2.9 < 0.2.9.14
Search vendor "Tor Project" for product "Tor" and version " >= 0.2.9 < 0.2.9.14"
-
Affected
Tor Project
Search vendor "Tor Project"
Tor
Search vendor "Tor Project" for product "Tor"
>= 0.3.0 < 0.3.0.13
Search vendor "Tor Project" for product "Tor" and version " >= 0.3.0 < 0.3.0.13"
-
Affected
Tor Project
Search vendor "Tor Project"
Tor
Search vendor "Tor Project" for product "Tor"
>= 0.3.1 < 0.3.1.9
Search vendor "Tor Project" for product "Tor" and version " >= 0.3.1 < 0.3.1.9"
-
Affected
Debian
Search vendor "Debian"
Debian Linux
Search vendor "Debian" for product "Debian Linux"
8.0
Search vendor "Debian" for product "Debian Linux" and version "8.0"
-
Affected
Debian
Search vendor "Debian"
Debian Linux
Search vendor "Debian" for product "Debian Linux"
9.0
Search vendor "Debian" for product "Debian Linux" and version "9.0"
-
Affected