Use after free in Adobe Flash Player before 28.0.0.161
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA, Red Hat and Microsoft. Impact type from CWE-416 and the CVSS impact.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Adobe Flash Player before 28.0.0.161 | Adobe Flash Player before 28.0.0.161 | — | No fix listed | CNA |
- Adobe Flash Player before 28.0.0.161 Vendor— Affected Adobe Flash Player before 28.0.0.161 Fixed in — No fix listed CNA
CPE configurations NVD · 13
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:* | before 28.0.0.161 | Vulnerable | Adobe |
| cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Apple |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:* | before 28.0.0.161 | Vulnerable | Adobe |
| cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer_11:*:* | before 28.0.0.161 | Vulnerable | Adobe |
| cpe:2.3:o:microsoft:windows_10:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
- cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:* Versions before 28.0.0.161 Vulnerable ·Adobe
- cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:* Versions before 28.0.0.161 Vulnerable ·Adobe
- cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer_11:*:* Versions before 28.0.0.161 Vulnerable ·Adobe
- cpe:2.3:o:microsoft:windows_10:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
Remediation
Red Hat 1 advisory
- RHSA-2018:0285 Released 2018-02-07 · Red Hat rating Criticalflash-plugin security update
- Red Hat Enterprise Linux Desktop Supplementary (v. 6) flash-plugin-28.0.0.161-1.el6_9
- Red Hat Enterprise Linux Server Supplementary (v. 6) flash-plugin-28.0.0.161-1.el6_9
- Red Hat Enterprise Linux Workstation Supplementary (v. 6) flash-plugin-28.0.0.161-1.el6_9
Microsoft 1 update
- February 2018 Adobe Flash Security Update
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Adobe Flash Player before 28.0.0.161 — RHSA-2018:0285
2 records Highest priority Priority CRITICAL 1 CRITICAL, 1 MEDIUM
Other records, highest priority first
- TI-2018-03446 Use after free in Adobe Flash Player before 28.0.0.161Priority MEDIUM 53
Vendor assessments
Red Hat
Red Hat rating: Critical. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Desktop Supplementary (v. 6) | Fixed | RHSA-2018:0285 |
| Red Hat Enterprise Linux Server Supplementary (v. 6) | Fixed | RHSA-2018:0285 |
| Red Hat Enterprise Linux Workstation Supplementary (v. 6) | Fixed | RHSA-2018:0285 |
Timeline
- 2021-11-03 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2018-4878
- 2026-10-03 Alias added: GHSA-2rf4-mpg3-phjw
References
Exploit 2
Advisory 11
- http://blog.talosintelligence.com/2018/02/group-123-goes-wild.html
- https://threatpost.com/adobe-flash-player-zero-day-spotted-in-the-wild/129742/
- https://helpx.adobe.com/security/products/flash-player/apsb18-03.html
- RHSA-2018:0285
- https://www.fireeye.com/blog/threat-research/2018/02/attacks-leveraging-adobe-zero-day.html
- https://blog.morphisec.com/flash-exploit-cve-2018-4878-spotted-in-the-wild-massive-malspam-campaign
- https://www.darkreading.com/threat-intelligence/adobe-flash-vulnerability-reappears-in-malicious-word-files/d/d-id/1331139
- https://github.com/InQuest/malware-samples/tree/master/CVE-2018-4878-Adobe-Flash-DRM-UAF-0day
- 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://github.com/vysec/CVE-2018-4878
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-4878
More Adobe Flash Player vulnerabilities
- TI-2016-03560 Unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier allows remote… KEVCVSS 3.1CRITICAL 9.8
- TI-2016-03506 Adobe Flash Player 21.0.0.226 and earlier allows remote attackers to execute arbitrary… KEVCVSS 3.1CRITICAL 9.8
- TI-2016-00925 Adobe Flash Player 21.0.0.197 and earlier allows remote attackers to cause a denial of… KEVCVSS 3.1CRITICAL 9.8
- TI-2015-04302 Use-after-free vulnerability in the BitmapData class in the ActionScript 3 (AS3)… KEVCVSS 3.1CRITICAL 9.8
- TI-2015-04301 Use-after-free vulnerability in the DisplayObject class in the ActionScript 3 (AS3)… KEVCVSS 3.1CRITICAL 9.8
- TI-2015-04298 Use-after-free vulnerability in the ByteArray class in the ActionScript 3 (AS3)… KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2018-4878 · CVE Program
- CVE-2018-4878 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-2rf4-mpg3-phjw · GitHub Advisory Database · CC BY 4.0
- CVE-2018-4878 · Red Hat security data · CC BY 4.0
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