Vulnerability Name:

CVE-2017-18056 (CCN-140421)

Assigned:2018-03-07
Published:2018-03-07
Updated:2018-04-06
Summary:In Android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, improper input validation for vdev_id in wma_unified_bcntx_status_event_handler() which is received from firmware leads to potential out of bounds memory read.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/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): High
Availibility (A): High
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-125
CWE-20
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2017-18056

Source: BID
Type: Third Party Advisory, VDB Entry
103254

Source: CCN
Type: BID-103254
Google Android Qualcomm Component Multiple Security Vulnerabilities

Source: CCN
Type: Google Web site
Android

Source: XF
Type: UNKNOWN
android-cve201718056-priv-esc(140421)

Source: CCN
Type: Android Open Source Project
Android Security Bulletin—March 2018

Source: CONFIRM
Type: Vendor Advisory
https://source.android.com/security/bulletin/2018-03-01

Vulnerable Configuration:Configuration 1:
  • cpe:/o:google:android:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:google:android:*:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    google android -
    google android *