CVE-2015-5123

Known Exploited

Description

Use-after-free vulnerability in the BitmapData 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 overrides a valueOf function, as exploited in the wild in July 2015.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 46.70% Top 5%
KEV Since 
Vendor Advisory opensuse.org Vendor Advisory marc.info Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory hp.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory adobe.com Vendor Advisory adobe.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1032890 vdb entry third party advisory broken link
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00028.html mailing list third party advisory vendor advisory
http://blog.trendmicro.com/trendlabs-security-intelligence/new-zero-day-vulnerability-cve-2015-5123-in-adobe-flash-emerges-from-hacking-team-leak/ third party advisory broken link
http://marc.info/?l=bugtraq&m=144050155601375&w=2 mailing list third party advisory vendor advisory
http://www.us-cert.gov/ncas/alerts/TA15-195A third party advisory us government resource
https://helpx.adobe.com/security/products/flash-player/apsb15-18.html broken link vendor advisory
http://www.kb.cert.org/vuls/id/918568 third party advisory us government resource
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00029.html mailing list third party advisory vendor advisory
https://security.gentoo.org/glsa/201508-01 third party advisory vendor advisory
https://h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04796784 broken link third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1235.html third party advisory vendor advisory
http://www.securityfocus.com/bid/75710 vdb entry third party advisory broken link
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00032.html mailing list third party advisory vendor advisory
https://helpx.adobe.com/security/products/flash-player/apsa15-04.html broken link vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-5123?
CVE-2015-5123 has been scored as a critical severity vulnerability.
How to fix CVE-2015-5123?
To fix CVE-2015-5123, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-5123 being actively exploited in the wild?
It is confirmed that CVE-2015-5123 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~47% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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