VDB-97508 · CVE-2016-6884 · BID 91488

MatrixSSL up to 3.8.2 TLS CBC Mode out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in MatrixSSL up to 3.8.2. This issue affects some unknown processing of the component TLS CBC Mode. Such manipulation leads to out-of-bounds. This vulnerability is listed as CVE-2016-6884. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in MatrixSSL up to 3.8.2. Affected by this issue is an unknown code block of the component TLS CBC Mode. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is availability. CVE summarizes:

TLS cipher suites with CBC mode in TLS 1.1 and 1.2 in MatrixSSL before 3.8.3 allow remote attackers to cause a denial of service (out-of-bounds read) via a crafted message.

The bug was discovered 03/03/2017. The weakness was presented 03/03/2017 by Juraj Somorovsky (oss-sec). The advisory is shared for download at openwall.com. This vulnerability is handled as CVE-2016-6884 since 08/19/2016. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

Upgrading to version 1.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 91488†). See VDB-97506 and VDB-97507 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 103427
OpenVAS Name: MatrixSSL Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MatrixSSL 1.1

Timelineinfo

06/26/2016 🔍
08/19/2016 +54 days 🔍
03/03/2017 +196 days 🔍
03/03/2017 +0 days 🔍
03/03/2017 +0 days 🔍
03/04/2017 +1 days 🔍
09/03/2020 +1279 days 🔍

Sourcesinfo

Product: github.com

Advisory: openwall.com
Researcher: Juraj Somorovsky
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-6884 (🔍)
GCVE (CVE): GCVE-0-2016-6884
GCVE (VulDB): GCVE-100-97508
SecurityFocus: 91488 - MatrixSSL Multiple Information Disclosure Vulnerabilities
OSVDB: - CVE-2016-6884 - MatrixSSL - Out-of-Bounds Read Issue

See also: 🔍

Entryinfo

Created: 03/04/2017 13:52
Updated: 09/03/2020 18:27
Changes: 03/04/2017 13:52 (65), 09/03/2020 18:27 (5)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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