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Sid 1-39299

Message

FILE-FLASH Adobe Flash Player malformed regular expression use after free attempt

Summary

Use-after-free vulnerability in Adobe Flash Player before 18.0.0.352 and 19.x through 21.x before 21.0.0.242 on Windows and OS X and before 11.2.202.621 on Linux allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2016-1097, CVE-2016-1106, CVE-2016-1107, CVE-2016-1108, CVE-2016-1109, CVE-2016-1110, CVE-2016-4108, and CVE-2016-4110.

Impact

CVSS base score 9.8 CVSS impact score 5.9 CVSS exploitability score 3.9 confidentialityImpact HIGH integrityImpact HIGH availabilityImpact HIGH

CVE-2016-4121:

CVSS base score 9.8

CVSS impact score 5.9

CVSS exploitability score 3.9

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Detailed information

CVE-2016-4121: Use-after-free vulnerability in Adobe Flash Player before 18.0.0.352 and 19.x through 21.x before 21.0.0.242 on Windows and OS X and before 11.2.202.621 on Linux allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2016-1097, CVE-2016-1106, CVE-2016-1107, CVE-2016-1108, CVE-2016-1109, CVE-2016-1110, CVE-2016-4108, and CVE-2016-4110.

Affected systems

  • adobe airdesktopruntime 21.0.0.198
  • adobe air_sdk 21.0.0.198
  • adobe airsdk&_compiler 21.0.0.198
  • adobe flash_player 11.2.202.616
  • adobe flash_player 18.0.0.343
  • adobe flash_player 21.0.0.216
  • adobe flash_player 21.0.0.226
  • adobe flash_player 21.0.0.241

Ease of attack

CVE-2016-4121:

Access Vector

Access Complexity

Authentication

False positives

None known

False negatives

None known

Corrective action

Upgrade to the latest non-affected version of the software.

Apply the appropriate vendor supplied patches.

Contributors

  • Talos research team.
  • This document was generated from data supplied by the national vulnerability database, a product of the national institute of standards and technology.
  • For more information see nvd.

Additional References

  • helpx.adobe.com/security/products/flash-player/apsb16-15.html