CVEs / CVE-2018-4878
CVE-2018-4878: Adobe Flash Player Use-After-Free Vulnerability
- Known exploited in the CISA KEV catalog since 3 Nov 2021
- high 7.8 CVSS 3.1 (NVD)
- EPSS 90.2% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
Are you affected? Check your servers with Stackurity: it lists the software on each server and the vulnerabilities to fix first.
Check your servers with Stackurity Already using Stackurity? Search for CVE-2018-4878
Summary
Adobe Flash Player contains a use-after-free vulnerability that could allow for code execution.
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a Adobe Flash Player before 28.0.0.161 | Adobe Flash Player before 28.0.0.161 | — |
Exploitation
| In CISA KEV since | 3 Nov 2021 |
|---|---|
| Due date for US federal agencies | 3 May 2022 |
| Used in ransomware campaigns | Known |
| Required action | The impacted product is end-of-life and should be disconnected if still in use. |
Severity
| CVSS 3.1 | 7.8 highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-416 |
References
- CVE-2018-4878 on NVD
- CVE-2018-4878 in the CISA KEV catalog
- 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
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.