CVE-2015-5122
CRITICAL severity · CVSS 9.8 · Use-after-free · actively exploited (CISA KEV)
9.8CVSS CRITICAL exploited
Actively exploited in the wild (CISA Known Exploited Vulnerabilities).
Added to KEV 2022-04-13. US federal agencies must patch by 2022-05-04.
Summary
Use-after-free vulnerability in the DisplayObject class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13.x through 13.0.0.302 on Windows and OS X, 14.x through 18.0.0.203 on Windows and OS X, 11.x through 11.2.202.481 on Linux, and 12.x through 18.0.0.204 on Linux Chrome installations allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted Flash content that leverages improper handling of the opaqueBackground property, as exploited in the wild in July 2015.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)94%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (3)
Recommendation
This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00028.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00029.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00032.htmlAdvisory
- http://marc.info/?l=bugtraq&m=144050155601375&w=2Advisory
- http://rhn.redhat.com/errata/RHSA-2015-1235.htmlAdvisory
- http://www.kb.cert.org/vuls/id/338736Advisory
- http://www.rapid7.com/db/modules/exploit/multi/browser/adobe_flash_opaque_background_uafAdvisory
- http://packetstormsecurity.com/files/132663/Adobe-Flash-opaqueBackground-Use-After-Free.htmlAdvisory