Vulnerability Name:

CVE-2016-7439 (CCN-120111)

Assigned:2016-12-13
Published:2016-12-13
Updated:2016-12-24
Summary:The C software implementation of RSA in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover RSA keys by leveraging cache-bank hit differences.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-310
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2016-7439

Source: BID
Type: UNKNOWN
95050

Source: CCN
Type: BID-95050
wolfSSL CVE-2016-7439 Local Information Disclosure Vulnerability

Source: XF
Type: UNKNOWN
wolfssl-cve20167439-info-disc(120111)

Source: CCN
Type: wolfSSL Secuirty Advisory
wolfSSL 3.9.10 Vulnerability Fixes

Source: CONFIRM
Type: Vendor Advisory
https://wolfssl.com/wolfSSL/Blog/Entries/2016/9/26_wolfSSL_3.9.10_Vulnerability_Fixes.html

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2016-7439

Vulnerable Configuration:Configuration 1:
  • cpe:/a:wolfssl:wolfssl:*:*:*:*:*:*:*:* (Version <= 3.9.8)

    • Configuration CCN 1:
  • cpe:/a:wolfssl:wolfssl:3.9.8:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.disco:def:201674390000000
    V
    		CVE-2016-7439 on Ubuntu 19.04 (disco) - medium.
    2016-12-13
    oval:com.ubuntu.artful:def:20167439000
    V
    		CVE-2016-7439 on Ubuntu 17.10 (artful) - medium.
    2016-12-13
    oval:com.ubuntu.cosmic:def:201674390000000
    V
    		CVE-2016-7439 on Ubuntu 18.10 (cosmic) - medium.
    2016-12-13
    oval:com.ubuntu.bionic:def:20167439000
    V
    		CVE-2016-7439 on Ubuntu 18.04 LTS (bionic) - medium.
    2016-12-13
    oval:com.ubuntu.bionic:def:201674390000000
    V
    		CVE-2016-7439 on Ubuntu 18.04 LTS (bionic) - medium.
    2016-12-13
    oval:com.ubuntu.cosmic:def:20167439000
    V
    		CVE-2016-7439 on Ubuntu 18.10 (cosmic) - medium.
    2016-12-13
    oval:com.ubuntu.xenial:def:201674390000000
    V
    		CVE-2016-7439 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-12-13
    oval:com.ubuntu.xenial:def:20167439000
    V
    		CVE-2016-7439 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-12-13
    BACK
    wolfssl wolfssl *
    wolfssl wolfssl 3.9.8