CVE-2018-4878

critical

Description

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.

References

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

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

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

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

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

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

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

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

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

https://www.cisa.gov/news-events/cybersecurity-advisories/aa20-133a

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

https://www.tenable.com/blog/critical-vulnerabilities-you-need-to-find-and-fix-to-protect-the-remote-workforce

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

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

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

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

Details

Source: Mitre, NVD

Published: 2018-02-06

Updated: 2025-02-13

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.9338