Vulnerability Name:

CVE-2016-6884 (CCN-123285)

Assigned:2016-08-19
Published:2017-03-03
Updated:2017-12-15
Summary: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.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-125
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2016-6884

Source: CCN
Type: oss-sec Mailing List, Fri, 19 Aug 2016 09:48:16 -0400 (EDT)
Re: CVE request: MatrixSSL lack of RSA-CRT hardening

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20160819 Re: CVE request: MatrixSSL lack of RSA-CRT hardening

Source: BID
Type: UNKNOWN
91488

Source: CCN
Type: BID-91488
MatrixSSL Multiple Information Disclosure Vulnerabilities

Source: XF
Type: UNKNOWN
matrixssl-cve20166884-dos(123285)

Source: CONFIRM
Type: Release Notes, Vendor Advisory
https://github.com/matrixssl/matrixssl/blob/master/CHANGES.md

Source: CCN
Type: MatrixSSL GIT Repository
MatrixSSL

Vulnerable Configuration:Configuration 1:
  • cpe:/a:matrixssl:matrixssl:*:*:*:*:*:*:*:* (Version <= 3.8.2)

    • Configuration CCN 1:
  • cpe:/a:matrixssl:matrixssl:3.8.2:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20166884000
    V
    		CVE-2016-6884 on Ubuntu 12.04 LTS (precise) - medium.
    2017-03-03
    oval:com.ubuntu.trusty:def:20166884000
    V
    		CVE-2016-6884 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-03-03
    BACK
    matrixssl matrixssl *
    matrixssl matrixssl 3.8.2