Home/CVE/Flash Player versions 31.0.0.148 and earlier have a type confusion vulnerability. Successful exploitation could lead to
CVE

CVE-2018-15981

Flash Player versions 31.0.0.148 and earlier have a type confusion vulnerability. Successful exploitation could lead to

Flash Player versions 31.0.0.148 and earlier have a type confusion vulnerability. Successful exploitation could lead to arbitrary code execution.

CRITICAL · CVSS 9.8 EPSS 0.24049
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 4% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-704Incorrect Type Conversion or Cast
▤

Affected Products & Versions

5
adobe flash player desktop runtime<= 31.0.0.148
adobe flash player<= 31.0.0.148
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
redhat enterprise linux workstationall versions
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighFlash Player Update from Suspicious Location
productcriticalHackTool - Windows Credential Editor (WCE) Execution
productcriticalWindows Credential Editor Registry
producthighOpenCanary - MSSQL Login Attempt Via Windows Authentication
producthighWindows LAPS Credential Dump From Entra ID
producthighTamper Windows Defender - PSClassic
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.0 · psirt@adobe.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD29 Nov 2018 · 08:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

1
rhsaRHSA-2018:3644Critical
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/105964Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1042151Third Party AdvisoryVDB Entry
https://helpx.adobe.com/security/products/flash-player/apsb18-44.htmlVendor Advisory
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