Tor up to 0.2.8.14/0.2.9.11/0.3.0.10/0.3.1.6/0.3.2.0 Log File or/rendservice.c rend_service_intro_established Error Message log file
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.4 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, was found in Tor up to 0.2.8.14/0.2.9.11/0.3.0.10/0.3.1.6/0.3.2.0 (Network Encryption Software). This affects the function rend_service_intro_established
of the file or/rendservice.c of the component Log File. The manipulation as part of a Error Message leads to a log file vulnerability. CWE is classifying the issue as CWE-532. Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information. This is going to have an impact on confidentiality. The summary by CVE is:
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.
The bug was discovered 09/18/2017. The weakness was shared 09/18/2017 (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2017-0380 since 11/29/2016. Attacking locally is a requirement. The successful exploitation needs a authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.
The vulnerability scanner Nessus provides a plugin with the ID 103487 (openSUSE Security Update : tor (openSUSE-2017-1092)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276945 (Fedora Security Update for tor (FEDORA-2017-238961d86d)).
Upgrading to version 0.2.8.15, 0.2.9.12, 0.3.0.11, 0.3.1.7 or 0.3.2.1-alpha eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (103487).
Product
Type
Name
Version
- 0.2.8.0
- 0.2.8.1
- 0.2.8.2
- 0.2.8.3
- 0.2.8.4
- 0.2.8.5
- 0.2.8.6
- 0.2.8.7
- 0.2.8.8
- 0.2.8.9
- 0.2.8.10
- 0.2.8.11
- 0.2.8.12
- 0.2.8.13
- 0.2.8.14
- 0.2.9.0
- 0.2.9.1
- 0.2.9.2
- 0.2.9.3
- 0.2.9.4
- 0.2.9.5
- 0.2.9.6
- 0.2.9.7
- 0.2.9.8
- 0.2.9.9
- 0.2.9.10
- 0.2.9.11
- 0.3.0
- 0.3.0.0
- 0.3.0.1
- 0.3.0.2
- 0.3.0.3
- 0.3.0.4
- 0.3.0.5
- 0.3.0.6
- 0.3.0.7
- 0.3.0.8
- 0.3.0.9
- 0.3.0.10
- 0.3.1
- 0.3.1.0
- 0.3.1.1
- 0.3.1.2
- 0.3.1.3
- 0.3.1.4
- 0.3.1.5
- 0.3.1.6
- 0.3.2
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.6VulDB Meta Temp Score: 4.4
VulDB Base Score: 3.3
VulDB Temp Score: 2.9
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.9
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Log fileCWE: CWE-532 / CWE-200 / CWE-284
ATT&CK: T1592
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 103487
Nessus Name: openSUSE Security Update : tor (openSUSE-2017-1092)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 53378
OpenVAS Name: Debian Security Advisory DSA 3993-1 (tor - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Tor 0.2.8.15/0.2.9.12/0.3.0.11/0.3.1.7/0.3.2.1-alpha
Patch: github.com
Timeline
11/29/2016 🔍09/18/2017 🔍
09/18/2017 🔍
09/18/2017 🔍
09/19/2017 🔍
09/26/2017 🔍
09/27/2017 🔍
12/29/2022 🔍
Sources
Advisory: 09ea89764a4d3a907808ed7d4fe42abfe64bd486Status: Not defined
Confirmation: 🔍
CVE: CVE-2017-0380 (🔍)
OVAL: 🔍
SecurityTracker: 1039519
Entry
Created: 09/19/2017 08:54Updated: 12/29/2022 11:58
Changes: 09/19/2017 08:54 (61), 11/17/2019 11:00 (9), 01/13/2021 12:12 (2), 01/13/2021 12:17 (11), 12/29/2022 11:58 (4)
Complete: 🔍
No comments yet. Languages: en.
Please log in to comment.