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$0-$5k0.00

Summaryinfo

A vulnerability was found in Adobe Flash Player up to 11.2.202.632/18.0.0.366/22.0.0.211 and classified as critical. This vulnerability affects unknown code. The manipulation results in use after free. This vulnerability was named CVE-2016-6921. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Adobe Flash Player up to 11.2.202.632/18.0.0.366/22.0.0.211 (Multimedia Player Software). Affected is an unknown code. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 09/13/2016 by Nicolas Joly with Microsoft Vulnerability Research as APSB16-29 as confirmed security bulletin (Website). The advisory is available at helpx.adobe.com. This vulnerability is traded as CVE-2016-6921 since 08/23/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k 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 databases at Tenable (93558), SecurityFocus (BID 92927†) and SecurityTracker (ID 1036791†). See VDB-91573, VDB-91574, VDB-91575 and VDB-91576 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Support

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

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
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

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-2016-6921 (🔍)
GCVE (CVE): GCVE-0-2016-6921
GCVE (VulDB): GCVE-100-91578

OVAL: 🔍

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

See also: 🔍

Entryinfo

Created: 09/14/2016 17:55
Updated: 09/16/2022 14:11
Changes: 09/14/2016 17:55 (73), 04/16/2019 16:48 (14), 09/16/2022 14:11 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you need the next level of professionalism?

Upgrade your account now!