CVE-2018-4878: Adobe Flash Player Use-After-Free Vulnerability
First published: Tue Feb 06 2018(Updated: )
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.
Credit: psirt@adobe.com psirt@adobe.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Adobe Flash Player | <28.0.0.161 | |
| Apple macOS | ||
| Linux Linux kernel | ||
| Microsoft Windows | ||
| Redhat Enterprise Linux Desktop | =6.0 | |
| Redhat Enterprise Linux Server | =6.0 | |
| Redhat Enterprise Linux Workstation | =6.0 | |
| Adobe Flash Player | <28.0.0.161 | |
| Adobe Flash Player | <28.0.0.161 | |
| Microsoft Windows 10 | ||
| Microsoft Windows 8.1 | ||
| Adobe Flash Player | <28.0.0.161 | |
| Google Chrome OS | ||
| Adobe Flash Player | ||
| All of | ||
| Any of | ||
| Apple macOS | ||
| Linux Linux kernel | ||
| Microsoft Windows | ||
| Adobe Flash Player | <28.0.0.161 | |
| All of | ||
| Any of | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 8.1 | ||
| Any of | ||
| Adobe Flash Player | <28.0.0.161 | |
| Adobe Flash Player | <28.0.0.161 | |
| All of | ||
| Any of | ||
| Apple macOS | ||
| Google Chrome OS | ||
| Linux Linux kernel | ||
| Microsoft Windows | ||
| Adobe Flash Player | <28.0.0.161 |
Remedy
The impacted product is end-of-life and should be disconnected if still in use.
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Reference Links
- 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
- https://nvd.nist.gov/vuln/detail/CVE-2018-4878
Frequently Asked Questions
What is CVE-2018-4878?
CVE-2018-4878 is a use-after-free vulnerability in Adobe Flash Player before version 28.0.0.161.
How does CVE-2018-4878 occur?
CVE-2018-4878 occurs due to a dangling pointer in the Primetime SDK related to media player handling of listener objects.
What is the severity of CVE-2018-4878?
The severity of CVE-2018-4878 is critical with a CVSS score of 9.8.
How can CVE-2018-4878 be exploited?
CVE-2018-4878 can be exploited to execute arbitrary code.
How can I fix CVE-2018-4878?
To fix CVE-2018-4878, update Adobe Flash Player to version 28.0.0.161 or later.
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