CVE-2018-4878

Vulnerability overview

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.

Severity and scoring

CVSS score

7.8 · HIGH

CVSS version

3.1

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses

CWE-416

CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.

Known exploitation and remediation

Listed in CISA’s Known Exploited Vulnerabilities catalog.

Affected product

Adobe · Flash Player

Added to catalog

2021-11-03

Required action

The impacted product is end-of-life and should be disconnected if still in use.

CISA remediation due date

2022-05-03

CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.

Verify affected versions and patch availability in the vendor advisory before making changes.

Affected products and versions

• cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*

  Before (exclusive): 28.0.0.161

• cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*

• cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*

• cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*

• cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:*

  Before (exclusive): 28.0.0.161

• cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer_11:*:*

  Before (exclusive): 28.0.0.161

• cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:*

  Before (exclusive): 28.0.0.161

These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.

Advisories and references

• http://blog.talosintelligence.com/2018/02/group-123-goes-wild.html

  Technical Description · Third Party Advisory

• http://www.securityfocus.com/bid/102893

  Broken Link

• http://www.securitytracker.com/id/1040318

  Broken Link

• https://access.redhat.com/errata/RHSA-2018:0285

  Third Party Advisory

• https://blog.morphisec.com/flash-exploit-cve-2018-4878-spotted-in-the-wild-massive-malspam-campaign

  Third Party Advisory

• https://github.com/InQuest/malware-samples/tree/master/CVE-2018-4878-Adobe-Flash-DRM-UAF-0day

  Third Party Advisory

• https://github.com/vysec/CVE-2018-4878

  Third Party Advisory

• https://helpx.adobe.com/security/products/flash-player/apsb18-03.html

  Vendor Advisory

• https://securingtomorrow.mcafee.com/mcafee-labs/hackers-bypassed-adobe-flash-protection-mechanism/

  Exploit · Third Party Advisory

• https://threatpost.com/adobe-flash-player-zero-day-spotted-in-the-wild/129742/

  Third Party Advisory

• https://www.darkreading.com/threat-intelligence/adobe-flash-vulnerability-reappears-in-malicious-word-files/d/d-id/1331139

  Press/Media Coverage · Third Party Advisory

• https://www.exploit-db.com/exploits/44412/

  Exploit · Third Party Advisory · VDB Entry

• https://www.fireeye.com/blog/threat-research/2018/02/attacks-leveraging-adobe-zero-day.html

  Third Party Advisory

• https://www.trendmicro.com/vinfo/us/security/news/vulnerabilities-and-exploits/north-korean-hackers-allegedly-exploit-adobe-flash-player-vulnerability-cve-2018-4878-against-south-korean-targets

  Technical Description · Third Party Advisory

• http://blog.talosintelligence.com/2018/02/group-123-goes-wild.html

  Technical Description · Third Party Advisory

• http://www.securityfocus.com/bid/102893

  Broken Link

• http://www.securitytracker.com/id/1040318

  Broken Link

• https://access.redhat.com/errata/RHSA-2018:0285

  Third Party Advisory

• https://blog.morphisec.com/flash-exploit-cve-2018-4878-spotted-in-the-wild-massive-malspam-campaign

  Third Party Advisory

• https://github.com/InQuest/malware-samples/tree/master/CVE-2018-4878-Adobe-Flash-DRM-UAF-0day

  Third Party Advisory

• https://github.com/vysec/CVE-2018-4878

  Third Party Advisory

• https://helpx.adobe.com/security/products/flash-player/apsb18-03.html

  Vendor Advisory

• https://securingtomorrow.mcafee.com/mcafee-labs/hackers-bypassed-adobe-flash-protection-mechanism/

  Exploit · Third Party Advisory

• https://threatpost.com/adobe-flash-player-zero-day-spotted-in-the-wild/129742/

  Third Party Advisory

• https://www.darkreading.com/threat-intelligence/adobe-flash-vulnerability-reappears-in-malicious-word-files/d/d-id/1331139

  Press/Media Coverage · Third Party Advisory

• https://www.exploit-db.com/exploits/44412/

  Exploit · Third Party Advisory · VDB Entry

• https://www.fireeye.com/blog/threat-research/2018/02/attacks-leveraging-adobe-zero-day.html

  Third Party Advisory

• https://www.trendmicro.com/vinfo/us/security/news/vulnerabilities-and-exploits/north-korean-hackers-allegedly-exploit-adobe-flash-player-vulnerability-cve-2018-4878-against-south-korean-targets

  Technical Description · Third Party Advisory

• https://github.com/cisagov/vulnrichment/issues/196

  Issue Tracking

• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-4878

  Third Party Advisory · US Government Resource

Explore official sources

Read the official NVD record ↗

Explore the CISA catalog ↗

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