Home/CVE/Use-after-free vulnerability in Adobe Flash Player before 18.0.0.333 and 19.x through 21.x before 21.0.0.182 on Windows
CVE

CVE-2016-0998

Use-after-free vulnerability in Adobe Flash Player before 18.0.0.333 and 19.x through 21.x before 21.0.0.182 on Windows

Use-after-free vulnerability in Adobe Flash Player before 18.0.0.333 and 19.x through 21.x before 21.0.0.182 on Windows and OS X and before 11.2.202.577 on Linux, Adobe AIR before 21.0.0.176, Adobe AIR SDK before 21.0.0.176, and Adobe AIR SDK & Compiler before 21.0.0.176 allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2016-0987, CVE-2016-0988, CVE-2016-0990, CVE-2016-0991, CVE-2016-0994, CVE-2016-0995, CVE-2016-0996, CVE-2016-0997, CVE-2016-0999, and CVE-2016-1000.

HIGH · CVSS 8.8 EPSS 0.72855
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 1% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

8
adobe flash player<= 20.0.0.306
adobe air<= 20.0.0.233
adobe air sdk<= 20.0.0.260
samsung x14j firmwareall versions
adobe flash player<= 11.2.202.569
adobe flash player desktop runtime<= 20.2.2.306
adobe air desktop runtime<= 20.0.0.260
adobe air sdk \& compiler<= 20.0.0.260
⚠

Public Exploits & PoCs

4
remoteAdobe Flash - Object.unwatch Use-After-Freeverified
dosAdobe Flash - Uninitialized Stack Parameter Access in Object.unwatch UaF Fixverified
pocwww.exploit-db.com · 39612www.exploit-db.com
pocwww.exploit-db.com · 39631www.exploit-db.com
◈

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

8.8
HIGH · CVSS v3.1 · 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 NVD12 Mar 2016 · 03:59 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

3
suse-csafSUSE-SU-2016:0715-1
suse-csafSUSE-SU-2016:0716-1
rhsaRHSA-2016:0438Critical
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00022.htmlBroken LinkMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00023.htmlBroken LinkMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00024.htmlBroken LinkMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00032.htmlBroken LinkMailing ListThird Party Advisory
http://www.securityfocus.com/bid/84312Broken LinkThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1035251Broken LinkThird Party AdvisoryVDB Entry
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