CVE-2017-8822

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, relays (that have incompletely downloaded descriptors) can pick themselves in a circuit path, leading to a degradation of anonymity, aka TROVE-2017-012.

CVSS v3.0 3.7 LOW
CVSS v2.0 4.3 MEDIUM

3.7^/10

CVSS v3.0 : LOW

Vector : AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploitability : 2.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:N/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://bugs.torproject.org/24333	Vendor Advisory
https://bugs.torproject.org/21534	Issue Tracking Vendor Advisory
https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516	Vendor Advisory
https://www.debian.org/security/2017/dsa-4054	Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:tor_project:tor::::::::
	cpe:2.3:a:tor_project:tor::::::::
	cpe:2.3:a:tor_project:tor::::::::
	cpe:2.3:a:tor_project:tor::::::::
	cpe:2.3:a:tor_project:tor::::::::

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:8.0:::::::*

Information

Published : 2017-12-02 23:29

Updated : 2017-12-21 10:30

NVD link : CVE-2017-8822

Mitre link : CVE-2017-8822

JSON object : View

CWE

CWE-417

Communication Channel Errors

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Products Affected

debian

debian_linux

tor_project

tor

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