National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-0380 Detail

Current Description

The rend_service_intro_established function in or/rendservice.c in Tor before 0.2.8.15, 0.2.9.x before 0.2.9.12, 0.3.0.x before 0.3.0.11, 0.3.1.x before 0.3.1.7, and 0.3.2.x before 0.3.2.1-alpha, when SafeLogging is disabled, allows attackers to obtain sensitive information by leveraging access to the log files of a hidden service, because uninitialized stack data is included in an error message about construction of an introduction point circuit.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.9 MEDIUM
Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N (V3 legend)
Impact Score: 3.6
Exploitability Score: 2.2


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

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.debian.org/security/2017/dsa-3993
http://www.securitytracker.com/id/1039519
https://github.com/torproject/tor/commit/09ea89764a4d3a907808ed7d4fe42abfe64bd486 Patch Third Party Advisory
https://trac.torproject.org/projects/tor/ticket/23490 Mitigation Patch Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Information Exposure Through Log Files (CWE-532)

Known Affected Software Configurations Switch to CPE 2.3

Configuration 1 ( hide )
 cpe:/a:torproject:tor
     Show Matching CPE(s)
Up to (including)
0.2.8.14
 cpe:/a:torproject:tor:0.2.9.0
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.2.9.0:alpha
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.2.9.1:alpha
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.2.9.2:alpha
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.2.9.3:alpha
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.2.9.4:alpha
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.2.9.5:alpha
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.2.9.6
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.2.9.8
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.2.9.9
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.2.9.10
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.2.9.11
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.3.0.0
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.3.0.1:alpha
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.3.0.2:alpha
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.3.0.3:alpha
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.3.0.4:rc
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.3.0.5:rc
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.3.0.6
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.3.0.7
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.3.0.8
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.3.0.9
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.3.0.10
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.3.1.1:alpha
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.3.1.2:alpha
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.3.1.3:alpha
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.3.1.4:alpha
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.3.1.5:alpha
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.3.1.6:alpha
     Show Matching CPE(s)
 cpe:/a:torproject:tor:0.3.2
     Show Matching CPE(s)


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-0380
NVD Published Date:
09/18/2017
NVD Last Modified:
11/05/2017