CVE-2018-4878
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in, but needs a user to act. High risk of data exposure, data tampering, service disruption.
- In the wild
- CISA lists this as exploited in real attacks. Treat as urgent.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- 2021-11-03 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
- 2022-05-03 Remediation deadlineCISA's due date for federal agencies to fix it
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
- Exploit odds: 90.3% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Added to CISA KEV
- 2021-11-03
- Exploit probability
- 90.3% · EPSS, next 30 days
- Weakness
- CWE-416 · Use after free
- Record status
- Analyzed
Affected
- Adobe Flash Player < 28.0.0.161
- Redhat Enterprise Linux Desktop 6.0
- Redhat Enterprise Linux Server 6.0
- Redhat Enterprise Linux Workstation 6.0
Attack profile CVSS 3.1 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2018-4878.md and follow it. Check whether this project is affected by CVE-2018-4878. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://helpx.adobe.com/security/products/flash-player/apsb18-03.html
- https://helpx.adobe.com/security/products/flash-player/apsb18-03.html
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
- 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