CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.3 | $0-$5k | 0.00 |
A vulnerability classified as problematic was found in MatrixSSL up to 3.8.2. Affected by this vulnerability is an unknown code of the component RSA. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:
MatrixSSL before 3.8.3 configured with RSA Cipher Suites allows remote attackers to obtain sensitive information via a Bleichenbacher variant attack.
The bug was discovered 03/03/2017. The weakness was disclosed 03/03/2017 by Juraj Somorovsky (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is known as CVE-2016-6883 since 08/19/2016. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.
The vulnerability scanner Nessus provides a plugin with the ID 105415 (Return Of Bleichenbacher's Oracle Threat (ROBOT) Information Disclosure), which helps to determine the existence of the flaw in a target environment. It is assigned to the family General and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38695 (TLS ROBOT Vulnerability Detected).
Upgrading to version 3.8.3 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (105415). The entries 97506, 97508, 110567 and 110568 are pretty similar.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.5VulDB Meta Temp Score: 4.4
VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.9
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
ATT&CK: T1592
Local: No
Remote: Yes
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: 105415
Nessus Name: Return Of Bleichenbacher's Oracle Threat (ROBOT) Information Disclosure
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 103427
OpenVAS Name: MatrixSSL Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: MatrixSSL 3.8.3
Timeline
06/26/2016 🔍08/19/2016 🔍
03/03/2017 🔍
03/03/2017 🔍
03/03/2017 🔍
03/04/2017 🔍
11/08/2019 🔍
09/03/2020 🔍
Sources
Advisory: openwall.comResearcher: Juraj Somorovsky
Status: Not defined
Confirmation: 🔍
CVE: CVE-2016-6883 (🔍)
SecurityFocus: 91488 - MatrixSSL Multiple Information Disclosure Vulnerabilities
OSVDB: - CVE-2016-6883 - MatrixSSL - Bleichenbacher Variant Issue
See also: 🔍
Entry
Created: 03/04/2017 13:52Updated: 09/03/2020 18:18
Changes: 03/04/2017 13:52 (74), 09/03/2020 18:18 (5)
Complete: 🔍
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