Adobe Flash Player 18.0.0.203/18.0.0.204 ActionScript 3 BitmapData use after free

CVSS Meta Temp Score
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Adobe Flash Player 18.0.0.203/18.0.0.204. This issue affects the function BitmapData of the component ActionScript 3. The manipulation leads to use after free. This vulnerability is documented as CVE-2015-5123. Additionally, an exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Adobe Flash Player 18.0.0.203/18.0.0.204 (Multimedia Player Software). This issue affects the function BitmapData of the component ActionScript 3. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability.

The weakness was released 07/10/2015 as APSA15-04 as confirmed advisory (Website). The advisory is shared at helpx.adobe.com. The identification of this vulnerability is CVE-2015-5123 since 06/26/2015. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a exploit are known.

It is declared as attacked. The vulnerability scanner Nessus provides a plugin with the ID 84730 (Adobe Flash Player <= 18.0.0.203 Multiple RCE Vulnerabilities (APSB15-18)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123712 (Adobe Flash Player Multiple Vulnerabilities (APSA15-04) (APSB15-18)). The CISA Known Exploited Vulnerabilities Catalog lists this issue since 04/13/2022 with a due date of 05/04/2022:

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

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (104540), Zero-Day.cz (184), Tenable (84730), SecurityFocus (BID 75710†) and Vulnerability Center (SBV-51111†). Entry connected to this vulnerability is available at VDB-76420. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.7
VulDB Meta Temp Score: 8.6

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 9.8
CNA Vector: 🔍

ADP CISA Base Score: 7.8
ADP CISA Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 84730
Nessus Name: Adobe Flash Player <= 18.0.0.203 Multiple RCE Vulnerabilities (APSB15-18)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 800035
OpenVAS Name: Adobe Flash Player Security Updates( apsb17-10 )-Windows
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Zero-Day.cz: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/26/2015 🔍
07/10/2015 +14 days 🔍
07/10/2015 +0 days 🔍
07/13/2015 +3 days 🔍
07/14/2015 +1 days 🔍
07/14/2015 +0 days 🔍
04/22/2026 +3935 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: APSA15-04
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-5123 (🔍)
GCVE (CVE): GCVE-0-2015-5123
GCVE (VulDB): GCVE-100-76421

OVAL: 🔍

CERT: 🔍
X-Force: 104540 - Adobe Flash Player ActionScript 3 BitmapData code execution
SecurityFocus: 75710
SecurityTracker: 1032890
Vulnerability Center: 51111 - [APSB15-18] Adobe Flash Player and Adobe Flash Player ESR Remote Code Execution and DoS - CVE-2015-5123, Critical

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/14/2015 11:31
Updated: 04/22/2026 23:01
Changes: 07/14/2015 11:31 (45), 07/12/2017 10:26 (29), 05/31/2022 09:03 (4), 05/31/2022 09:05 (1), 04/25/2024 16:17 (29), 07/03/2024 00:47 (12), 07/08/2024 23:25 (2), 09/09/2024 22:30 (1), 11/12/2024 03:47 (1), 02/04/2025 23:22 (11), 04/22/2026 23:01 (11)
Complete: 🔍
Cache ID: 216::103

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