Vulnerability Name:

CVE-2017-1000417 (CCN-138197)

Assigned:2018-01-22
Published:2018-01-22
Updated:2018-02-13
Summary:MatrixSSL version 3.7.2 adopts a collision-prone OID comparison logic resulting in possible spoofing of OIDs (e.g. in ExtKeyUsage extension) on X.509 certificates.
CVSS v3 Severity:5.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
4.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-295
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2017-1000417

Source: XF
Type: UNKNOWN
matrixssl-cve20171000417-spoofing(138197)

Source: CCN
Type: MatrixSSL GIT Repository
MatrixSSL Release Notes

Source: MISC
Type: Release Notes
https://github.com/matrixssl/matrixssl/blob/master/doc/CHANGES.md

Source: CCN
Type: IEEE-Security Web site
SymCerts: Practical Symbolic Execution For Exposing Noncompliance in X.509 Certificate Validation Implementations

Source: MISC
Type: Technical Description, Third Party Advisory
https://www.ieee-security.org/TC/SP2017/papers/231.pdf

Source: MISC
Type: Third Party Advisory
https://www.youtube.com/watch?v=FW--c_F_cY8

Vulnerable Configuration:Configuration 1:
  • cpe:/a:matrixssl:matrixssl:3.7.2:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:matrixssl:matrixssl:3.7.2:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.trusty:def:20171000417000
    V
    		CVE-2017-1000417 on Ubuntu 14.04 LTS (trusty) - low.
    2018-01-22
    BACK
    matrixssl matrixssl 3.7.2
    matrixssl matrixssl 3.7.2