CVE-2015-5122

Home/CVE/Adobe Flash Player Use-After-Free Vulnerability

CVE

Adobe Flash Player Use-After-Free Vulnerability

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.

CRITICAL · CVSS 9.8 ⚠ CISA KEV EPSS 0.92698

Act now

Listed on CISA KEV (known exploited in the wild)
SSVC exploitation status: active
EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
EPSS percentile: top 0% of all CVEs by exploitation likelihood
Public exploit or PoC is available
CVSS base score ≥ 7.0

Sigma rules16 YARA rules0

⬢

Required Remediation

The impacted product is end-of-life and should be disconnected if still in use.

◆

Threat Actors Linked

actorAPT17

actorAPT3

⬡

Weakness Classification

CWE-416Use After Free

▤

Affected Products & Versions

adobe flash player>= 13.0 and <= 13.0.0.302
adobe flash player>= 18.0 and <= 18.0.0.203
adobe flash player desktop runtime>= 18.0 and <= 18.0.0.203
adobe flash player>= 18.0 and <= 18.0.0.204
adobe flash player>= 11.0 and <= 11.2.202.481
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
redhat enterprise linux server eusall versions
Show all 12 affected productsredhat enterprise linux workstationall versions
opensuse evergreenall versions
suse linux enterprise desktopall versions
suse linux enterprise workstation extensionall versions

⚠

Public Exploits & PoCs

remoteAdobe Flash - opaqueBackground Use-After-Free (Metasploit)verified
pocpacketstormsecurity.com · Adobe-Flash-opaqueBackground-Use-After-Free.htmlpacketstormsecurity.com
pocwww.exploit-db.com · 37599www.exploit-db.com

◈

Sigma Hunt Rules

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

producthighSuspicious Microsoft Office Child Process - MacOS

producthighRemote Access Tool - Renamed MeshAgent Execution - MacOS

producthighBinary Padding - MacOS

productmediumSuspicious Execution via macOS Script Editor

productmediumSystem Information Discovery Via Sysctl - MacOS

Show all 16 top matchesproductmediumNew File Exclusion Added To Time Machine Via Tmutil - MacOS
productmediumSuspicious MacOS Firmware Activity
productmediumDisk Image Mounting Via Hdiutil - MacOS
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
producthighTamper Windows Defender Remove-MpPreference - ScriptBlockLogging
producthighTamper Windows Defender - ScriptBlockLogging

▣

Scoring & Timeline

9.8

CRITICAL · 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 NVD14 Jul 2015 · 10:59 AM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC triage · cisa-vulnrichment

Exploitation

active

Automatable

Technical impact

total

SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.

⚑

Vendor Advisories

cisaKEV-CVE-2015-5122
rhsaRHSA-2015:1235Critical
suse-csafSUSE-SU-2015:1255-1
suse-csafSUSE-SU-2015:1258-1

🔗

References & Sources

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/2015-07/msg00028.htmlMailing ListThird Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00029.htmlMailing ListThird Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00032.htmlMailing ListThird Party Advisory

http://marc.info/?l=bugtraq&m=144050155601375&w=2Mailing ListThird Party Advisory

http://rhn.redhat.com/errata/RHSA-2015-1235.htmlThird Party Advisory

http://www.kb.cert.org/vuls/id/338736Third Party AdvisoryUS Government Resource

Show all 20 references

http://www.rapid7.com/db/modules/exploit/multi/browser/adobe_flash_opaque_background_uafThird Party Advisory

http://www.securityfocus.com/bid/75712Broken LinkThird Party AdvisoryVDB Entry

http://www.securitytracker.com/id/1032890Broken LinkThird Party AdvisoryVDB Entry

http://www.us-cert.gov/ncas/alerts/TA15-195AThird Party AdvisoryUS Government Resource

https://h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04796784Broken LinkThird Party Advisory

https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04952467Third Party Advisory

https://helpx.adobe.com/security/products/flash-player/apsa15-04.htmlBroken LinkVendor Advisory

https://helpx.adobe.com/security/products/flash-player/apsb15-18.htmlBroken LinkVendor Advisory

https://perception-point.io/2018/04/11/breaking-cfi-cve-2015-5122-coop/Broken LinkThird Party Advisory

https://perception-point.io/new/breaking-cfi.phpBroken LinkThird Party Advisory

https://security.gentoo.org/glsa/201508-01Third Party Advisory

https://www.fireeye.com/blog/threat-research/2015/07/cve-2015-5122_-_seco.htmlBroken LinkThird Party Advisory

https://github.com/cisagov/vulnrichment/issues/196Issue Tracking

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-5122US Government Resource

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