National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-0375 Detail

Current Description

The hidden-service feature in Tor before 0.3.0.8 allows a denial of service (assertion failure and daemon exit) in the relay_send_end_cell_from_edge_ function via a malformed BEGIN cell.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3.0 legend)
Impact Score: 3.6
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/99017 Third Party Advisory VDB Entry
https://github.com/torproject/tor/commit/79b59a2dfcb68897ee89d98587d09e55f07e68d7 Issue Tracking Patch Vendor Advisory
https://lists.torproject.org/pipermail/tor-announce/2017-June/000131.html Mailing List Third Party Advisory
https://trac.torproject.org/projects/tor/ticket/22493 Issue Tracking

Technical Details

Vulnerability Type (View All)

  • Improper Input Validation (CWE-20)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
0.3.0.8


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-0375
NVD Published Date:
06/09/2017
NVD Last Modified:
03/11/2019