Adobe Flash Player up to 11.2.202.632/18.0.0.366/22.0.0.211 use after free

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.6$5k-$25k0.00

A vulnerability has been found in Adobe Flash Player up to 11.2.202.632/18.0.0.366/22.0.0.211 (Multimedia Player Software) and classified as very critical. Affected by this vulnerability is an unknown code block. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 09/13/2016 by Nicolas Joly with Microsoft Vulnerability Research as APSB16-29 as confirmed security bulletin (Website). It is possible to read the advisory at helpx.adobe.com. This vulnerability is known as CVE-2016-6923 since 08/23/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/16/2022). It is expected to see the exploit prices for this product decreasing in the near future.

The vulnerability scanner Nessus provides a plugin with the ID 93558 (SUSE SLED12 Security Update : flash-player (SUSE-SU-2016:2312-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236089 (Red Hat Update for flash-plugin (RHSA-2016:1865)).

Upgrading to version 11.2.202.635, 18.0.0.375 or 23.0.0.162 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (93558).

Productinfo

Type

Vendor

Name

Version

License

Support

  • end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 93558
Nessus Name: SUSE SLED12 Security Update : flash-player (SUSE-SU-2016:2312-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703423
OpenVAS Name: Adobe Flash Player Security Updates( apsb16-29 )-Linux
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Flash Player 11.2.202.635/18.0.0.375/23.0.0.162

Timelineinfo

08/23/2016 🔍
09/13/2016 +21 days 🔍
09/13/2016 +0 days 🔍
09/13/2016 +0 days 🔍
09/13/2016 +0 days 🔍
09/14/2016 +1 days 🔍
09/14/2016 +0 days 🔍
09/16/2016 +2 days 🔍
09/16/2022 +2191 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: APSB16-29
Researcher: Nicolas Joly
Organization: Microsoft Vulnerability Research
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-6923 (🔍)
OVAL: 🔍

SecurityTracker: 1036791
SecurityFocus: 92927 - Adobe Flash Player APSB16-29 Multiple Use After Free Remote Code Execution Vulnerabilities

Entryinfo

Created: 09/14/2016 17:55
Updated: 09/16/2022 14:12
Changes: 09/14/2016 17:55 (73), 04/16/2019 16:52 (14), 09/16/2022 14:12 (3)
Complete: 🔍
Cache ID: 3:8DC:103

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