Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2017-0380

Severity CVSS v4.0:
Pending analysis
Type:
CWE-532 Information Exposure Through Log Files
Publication date:
18/09/2017
Last modified:
20/04/2025

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.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.90 MEDIUM
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

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

Base Score 3.x
5.90
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:M/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
4.30
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:* 0.2.8.14 (including)
cpe:2.3:a:torproject:tor:0.2.9.0:*:*:*:*:*:*:*
cpe:2.3:a:torproject:tor:0.2.9.0:alpha:*:*:*:*:*:*
cpe:2.3:a:torproject:tor:0.2.9.1:alpha:*:*:*:*:*:*
cpe:2.3:a:torproject:tor:0.2.9.2:alpha:*:*:*:*:*:*
cpe:2.3:a:torproject:tor:0.2.9.3:alpha:*:*:*:*:*:*
cpe:2.3:a:torproject:tor:0.2.9.4:alpha:*:*:*:*:*:*
cpe:2.3:a:torproject:tor:0.2.9.5:alpha:*:*:*:*:*:*
cpe:2.3:a:torproject:tor:0.2.9.6:*:*:*:*:*:*:*
cpe:2.3:a:torproject:tor:0.2.9.8:*:*:*:*:*:*:*
cpe:2.3:a:torproject:tor:0.2.9.9:*:*:*:*:*:*:*
cpe:2.3:a:torproject:tor:0.2.9.10:*:*:*:*:*:*:*
cpe:2.3:a:torproject:tor:0.2.9.11:*:*:*:*:*:*:*
cpe:2.3:a:torproject:tor:0.3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:torproject:tor:0.3.0.1:alpha:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools