CVE-2018-4878 KEV EXPLOIT
7.8
HIGH · CVSS 3.1 · EPSS 89.5% (pctl 100)
Patch first
On CISA KEV — known exploited in the wild, due 2022-05-03.
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.
Scoring
| CVSS | 7.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| EPSS | 89.53% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-416 |
| On CISA KEV | yes — remediate by 2022-05-03 |
| Public exploit | yes |
| Published | 2018-02-06 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Adobe Flash Player Use-After-Free Vulnerability |
|---|---|
| Added | 2021-11-03 |
| Due | 2022-05-03 |
| Vendor / product | Adobe / Flash Player |
| Ransomware use | known |
Affected (10)
| Vendor | Product |
|---|---|
| adobe | flash player |
| apple | macos |
| chrome os | |
| linux | linux kernel |
| microsoft | windows |
| microsoft | windows 10 |
| microsoft | windows 8.1 |
| redhat | enterprise linux desktop |
| redhat | enterprise linux server |
| redhat | enterprise linux workstation |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Adobe Flash < 28.0.0.161 - Use-After-Free | 2018-04-06 |
| exploit-db | Flash ActiveX 28.0.0.137 - Code Execution (1) | 2016-02-16 |
| exploit-db | Flash ActiveX 28.0.0.137 - Code Execution (2) | 2016-02-13 |
References
- http://blog.talosintelligence.com/2018/02/group-123-goes-wild.html
- http://www.securityfocus.com/bid/102893
- http://www.securitytracker.com/id/1040318
- https://access.redhat.com/errata/RHSA-2018:0285
- https://blog.morphisec.com/flash-exploit-cve-2018-4878-spotted-in-the-wild-massive-malspam-campaign
- https://github.com/InQuest/malware-samples/tree/master/CVE-2018-4878-Adobe-Flash-DRM-UAF-0day
- https://github.com/vysec/CVE-2018-4878
- https://helpx.adobe.com/security/products/flash-player/apsb18-03.html
- https://securingtomorrow.mcafee.com/mcafee-labs/hackers-bypassed-adobe-flash-protection-mechanism/
- https://threatpost.com/adobe-flash-player-zero-day-spotted-in-the-wild/129742/
- https://www.darkreading.com/threat-intelligence/adobe-flash-vulnerability-reappears-in-malicious-word-files/d/d-id/1331139
- https://www.exploit-db.com/exploits/44412/
- https://www.fireeye.com/blog/threat-research/2018/02/attacks-leveraging-adobe-zero-day.html
- 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
- http://blog.talosintelligence.com/2018/02/group-123-goes-wild.html
- http://www.securityfocus.com/bid/102893
- http://www.securitytracker.com/id/1040318
- https://access.redhat.com/errata/RHSA-2018:0285
- https://blog.morphisec.com/flash-exploit-cve-2018-4878-spotted-in-the-wild-massive-malspam-campaign
- https://github.com/InQuest/malware-samples/tree/master/CVE-2018-4878-Adobe-Flash-DRM-UAF-0day
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