CVE-2021-34550
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-006. The v3 onion service descriptor parsing allows out-of-bounds memory access, and a client crash, via a crafted onion service descriptor
Se ha detectado un problema en Tor versiones anteriores a 0.4.6.5, también se conoce como TROVE-2021-006. El análisis del descriptor del servicio de v3 onion, permite un acceso a la memoria fuera de límites, y un bloqueo del cliente, por medio de un descriptor de servicio onion diseñado
*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
- 2021-06-10 CVE Reserved
- 2021-06-14 CVE Published
- 2024-03-14 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| https://gitlab.torproject.org/tpo/core/tor/-/issues/40392 | Broken Link |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://blog.torproject.org/node/2041 | 2021-09-20 | |
| https://security.gentoo.org/glsa/202107-25 | 2021-09-20 |
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" | < 0.3.5.15 Search vendor "Torproject" for product "Tor" and version " < 0.3.5.15" | - |
Affected
| ||||||
| Torproject Search vendor "Torproject" | Tor Search vendor "Torproject" for product "Tor" | >= 0.4.0.0 < 0.4.4.9 Search vendor "Torproject" for product "Tor" and version " >= 0.4.0.0 < 0.4.4.9" | - |
Affected
| ||||||
| Torproject Search vendor "Torproject" | Tor Search vendor "Torproject" for product "Tor" | >= 0.4.5.0 < 0.4.5.9 Search vendor "Torproject" for product "Tor" and version " >= 0.4.5.0 < 0.4.5.9" | - |
Affected
| ||||||
| Torproject Search vendor "Torproject" | Tor Search vendor "Torproject" for product "Tor" | >= 0.4.6.0 < 0.4.6.5 Search vendor "Torproject" for product "Tor" and version " >= 0.4.6.0 < 0.4.6.5" | - |
Affected
| ||||||