CVE-2017-8820

Published: Dic 03, 2017 Last Modified: Apr 20, 2025 EU-VD ID: EUVD-2017-17763 Aliases: GSD-2017-8820
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
MEDIUM 5,0
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: none
Integrity: none
Availability: partial

Description

AI Translation Available

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, remote attackers can cause a denial of service (NULL pointer dereference and application crash) against directory authorities via a malformed descriptor, aka TROVE-2017-010.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0082
Percentile
0,7th
Updated

EPSS Score Trend (Last 91 Days)

476

NULL Pointer Dereference

Stable
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Availability Integrity Confidentiality
Potential Impacts:
Dos: Crash, Exit, Or Restart Execute Unauthorized Code Or Commands Read Memory Modify Memory
Applicable Platforms
Languages: C, C#, C++, Go, Java
Likelihood of Exploit: Medium
View CWE Details
Application

Tor by Tor Project

Product Information
Vendor Tor Project
Product Tor
Version Range Affected
To 0.2.5.16 (exclusive)
cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Tor by Tor Project

Product Information
Vendor Tor Project
Product Tor
Version Range Affected
From 0.3.1 (inclusive)
To 0.3.1.9 (exclusive)
cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Tor by Tor Project

Product Information
Vendor Tor Project
Product Tor
Version Range Affected
From 0.2.6 (inclusive)
To 0.2.8.17 (exclusive)
cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Debian Linux by Debian

Product Information
Vendor Debian
Product Debian Linux
Version 8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Debian Linux by Debian

Product Information
Vendor Debian
Product Debian Linux
Version 9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Tor by Tor Project

Product Information
Vendor Tor Project
Product Tor
Version Range Affected
From 0.2.9 (inclusive)
To 0.2.9.14 (exclusive)
cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Tor by Tor Project

Product Information
Vendor Tor Project
Product Tor
Version Range Affected
From 0.3.0 (inclusive)
To 0.3.0.13 (exclusive)
cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://blog.torproject.org/new-stable-tor-releases-securit…
Vendor Advisory
https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-0…
https://bugs.torproject.org/24245
Vendor Advisory
https://bugs.torproject.org/24245
https://www.debian.org/security/2017/dsa-4054
Third Party Advisory
https://www.debian.org/security/2017/dsa-4054
https://blog.torproject.org/new-stable-tor-releases-securit…
Vendor Advisory
https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-0…
https://bugs.torproject.org/24245
Vendor Advisory
https://bugs.torproject.org/24245
https://www.debian.org/security/2017/dsa-4054
Third Party Advisory
https://www.debian.org/security/2017/dsa-4054