Use-after-free vulnerability in the ByteArray class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13.x through 13.0.0.296 and 14.x through 18.0.0.194 on Windows and OS X and 11.x through 11.2.202.468 on Linux allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted Flash content that overrides a valueOf function, as exploited in the wild in July 2015.

References

• https://nvd.nist.gov/vuln/detail/CVE-2015-5119
• https://helpx.adobe.com/security/products/flash-player/apsa15-03.html
• https://helpx.adobe.com/security/products/flash-player/apsb15-16.html
• https://packetstormsecurity.com/files/132600/Adobe-Flash-Player-ByteArray-Use-After-Free.html
• https://security.gentoo.org/glsa/201507-13
• http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00015.html
• http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00016.html
• http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00017.html
• http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00018.html
• http://rhn.redhat.com/errata/RHSA-2015-1214.html
• http://twitter.com/w3bd3vil/statuses/618168863708962816
• http://www.kb.cert.org/vuls/id/561288
• http://www.rapid7.com/db/modules/exploit/multi/browser/adobe_flash_hacking_team_uaf
• http://www.securityfocus.com/bid/75568
• http://www.securitytracker.com/id/1032809
• http://www.us-cert.gov/ncas/alerts/TA15-195A
• http://blog.trendmicro.com/trendlabs-security-intelligence/unpatched-flash-player-flaws-more-pocs-found-in-hacking-team-leak