Vulnerability Name:

CVE-2018-4920 (CCN-140057)

Assigned:2018-03-13
Published:2018-03-13
Updated:2022-11-18
Summary:Adobe Flash Player versions 28.0.0.161 and earlier have an exploitable type confusion vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network
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
8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network
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:9.3 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-843
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2018-4920

Source: BID
Type: Broken Link, Third Party Advisory, VDB Entry
103383

Source: CCN
Type: BID-103383
Adobe Flash Player CVE-2018-4920 Type Confusion Remote Code Execution Vulnerability

Source: SECTRACK
Type: Broken Link, Third Party Advisory, VDB Entry
1040509

Source: REDHAT
Type: Third Party Advisory
RHSA-2018:0520

Source: XF
Type: UNKNOWN
adobe-flash-cve20184920-code-exec(140057)

Source: CCN
Type: Adobe Security Bulletin APSB18-05
Security updates available for Adobe Flash Player

Source: MISC
Type: Patch, Vendor Advisory
https://helpx.adobe.com/security/products/flash-player/apsb18-05.html

Vulnerable Configuration:Configuration 1:
  • cpe:/a:adobe:flash_player_desktop_runtime:*:*:*:*:*:*:*:* (Version <= 28.0.0.161)
  • AND
  • cpe:/o:microsoft:windows:-:*:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:-:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/a:adobe:flash_player:*:*:*:*:*:chrome:*:* (Version <= 28.0.0.161)
  • AND
  • cpe:/o:microsoft:windows:-:*:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:-:*:*:*:*:*:*:*
  • OR cpe:/o:google:chrome_os:-:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/a:adobe:flash_player:*:*:*:*:*:edge:*:* (Version <= 28.0.0.161)
  • OR cpe:/a:adobe:flash_player:*:*:*:*:*:internet_explorer:*:* (Version <= 28.0.0.161)
  • AND
  • cpe:/o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.artful:def:20184920000
    V
    		CVE-2018-4920 on Ubuntu 17.10 (artful) - medium.
    2018-05-19
    oval:com.ubuntu.trusty:def:20184920000
    V
    		CVE-2018-4920 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-05-19
    oval:com.ubuntu.xenial:def:20184920000
    V
    		CVE-2018-4920 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-05-19
    oval:com.ubuntu.xenial:def:201849200000000
    V
    		CVE-2018-4920 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-05-19
    BACK
    adobe flash player desktop runtime *
    microsoft windows -
    apple mac os x -
    linux linux kernel -
    adobe flash player *
    microsoft windows -
    apple mac os x -
    google chrome os -
    linux linux kernel -
    adobe flash player *
    adobe flash player *
    microsoft windows 8.1 -
    microsoft windows 10 -