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TI-2018-03447 Aliases CVE-2018-4878GHSA-2rf4-mpg3-phjw

Use after free in Adobe Flash Player before 28.0.0.161

Priority CRITICAL 93Exploited in the wildCWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA, Red Hat and Microsoft. Impact type from CWE-416 and the CVSS impact.

Summary

A use-after-free vulnerability was discovered in Adobe Flash Player before 28.0.0.161. This vulnerability occurs due to a dangling pointer in the Primetime SDK related to media player handling of listener objects. A successful attack can lead to arbitrary code execution. This was exploited in the wild in January and February 2018.

Why it matters now

Exploitation Active In CISA KEV since 2021-11-03CISA due date 2022-05-03Known ransomware use
EPSS 0.9028 99th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix Fixed Red Hat: 1 advisoryMicrosoft: 1 update

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Adobe Flash Player before 28.0.0.161Adobe Flash Player before 28.0.0.161—No fix listedCNA
  • Adobe Flash Player before 28.0.0.161 Vendor— Affected Adobe Flash Player before 28.0.0.161 Fixed in — No fix listed CNA

CPE configurations NVD · 13

CPEVersionsRoleVendor
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*before 28.0.0.161VulnerableAdobe
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*not specified by NVDRunning onApple
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*not specified by NVDRunning onLinux
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:*before 28.0.0.161VulnerableAdobe
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer_11:*:*before 28.0.0.161VulnerableAdobe
cpe:2.3:o:microsoft:windows_10:*:*:*:*:*:*:*:*all versionsRunning onMicrosoft
  • cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:* Versions before 28.0.0.161 Vulnerable ·Adobe
  • cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
  • cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:* Versions before 28.0.0.161 Vulnerable ·Adobe
  • cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer_11:*:* Versions before 28.0.0.161 Vulnerable ·Adobe
  • cpe:2.3:o:microsoft:windows_10:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
Show 3 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:*all versionsRunning onMicrosoft
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:*before 28.0.0.161VulnerableAdobe
cpe:2.3:o:google:chrome_os:-:*:*:*:*:*:*:*not specified by NVDRunning onGoogle
  • cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
  • cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:* Versions before 28.0.0.161 Vulnerable ·Adobe
  • cpe:2.3:o:google:chrome_os:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Google

Remediation

Red Hat 1 advisory

  • RHSA-2018:0285 Released 2018-02-07 · Red Hat rating Critical
    flash-plugin security update
    • Red Hat Enterprise Linux Desktop Supplementary (v. 6) flash-plugin-28.0.0.161-1.el6_9
    • Red Hat Enterprise Linux Server Supplementary (v. 6) flash-plugin-28.0.0.161-1.el6_9
    • Red Hat Enterprise Linux Workstation Supplementary (v. 6) flash-plugin-28.0.0.161-1.el6_9

Microsoft 1 update

  • February 2018 Adobe Flash Security Update

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Adobe Flash Player before 28.0.0.161 — RHSA-2018:0285

    2 records Highest priority Priority CRITICAL 1 CRITICAL, 1 MEDIUM

    Other records, highest priority first

    • TI-2018-03446 Use after free in Adobe Flash Player before 28.0.0.161Priority MEDIUM 53

Vendor assessments

Red Hat

Red Hat rating: Critical. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux Desktop Supplementary (v. 6)Fixed RHSA-2018:0285
Red Hat Enterprise Linux Server Supplementary (v. 6)Fixed RHSA-2018:0285
Red Hat Enterprise Linux Workstation Supplementary (v. 6)Fixed RHSA-2018:0285

Timeline

  1. 2021-11-03 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2018-4878
  3. 2026-10-03 Alias added: GHSA-2rf4-mpg3-phjw

References

  • TI-2016-03560 Unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier allows remote… KEVCVSS 3.1CRITICAL 9.8
  • TI-2016-03506 Adobe Flash Player 21.0.0.226 and earlier allows remote attackers to execute arbitrary… KEVCVSS 3.1CRITICAL 9.8
  • TI-2016-00925 Adobe Flash Player 21.0.0.197 and earlier allows remote attackers to cause a denial of… KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-04302 Use-after-free vulnerability in the BitmapData class in the ActionScript 3 (AS3)… KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-04301 Use-after-free vulnerability in the DisplayObject class in the ActionScript 3 (AS3)… KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-04298 Use-after-free vulnerability in the ByteArray class in the ActionScript 3 (AS3)… KEVCVSS 3.1CRITICAL 9.8
See all 1083 →

Sources