National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-8820 Detail

Current Description

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.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 7.5 HIGH
Vector:  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516 Vendor Advisory
https://bugs.torproject.org/24245 Vendor Advisory
https://www.debian.org/security/2017/dsa-4054 Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-476 NULL Pointer Dereference NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
0.2.5.16
 cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
0.2.6
Up to (excluding)
0.2.8.17
 cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
0.2.9
Up to (excluding)
0.2.9.14
 cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
0.3.0
Up to (excluding)
0.3.0.13
 cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
0.3.1
Up to (excluding)
0.3.1.9

Configuration 2 ( hide )
 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-8820
NVD Published Date:
12/03/2017
NVD Last Modified:
12/21/2017