Vulnerability Name:

CVE-2017-18689 (CCN-179219)

Assigned:2020-04-07
Published:2020-04-07
Updated:2020-04-09
Summary:An issue was discovered on Samsung mobile devices with M(6.0) and N(7.0) (Exynos5433, Exynos7420, or Exynos7870 chipsets) software. An attacker can bypass a ko (aka Kernel Module) signature by modifying the count of kernel modules. The Samsung ID is SVE-2016-7466 (January 2017).
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/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): High
Availibility (A): None
5.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N)
4.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
4.0 Medium (CCN CVSS v2 Vector: AV:L/AC:H/Au:N/C:N/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Complete
Availibility (A): None
Vulnerability Type:CWE-354
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2017-18689

Source: XF
Type: UNKNOWN
samsung-cve201718689-sec-bypass(179219)

Source: CCN
Type: Samsung Mobile Web site
Android Security Updates

Source: CONFIRM
Type: Vendor Advisory
https://security.samsungmobile.com/securityUpdate.smsb

Vulnerable Configuration:Configuration 1:
  • cpe:/o:google:android:6.0:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:7.0:*:*:*:*:*:*:*
  • AND
  • cpe:/h:samsung:exynos_5433:-:*:*:*:*:*:*:*
  • OR cpe:/h:samsung:exynos_7420:-:*:*:*:*:*:*:*
  • OR cpe:/h:samsung:exynos_7870:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    google android 6.0
    google android 7.0
    samsung exynos 5433 -
    samsung exynos 7420 -
    samsung exynos 7870 -