Adobe Flash Player up to 11.2.202.644/23.0.0.207 use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

A vulnerability, which was classified as critical, was found in Adobe Flash Player up to 11.2.202.644/23.0.0.207 (Multimedia Player Software). This affects some unknown functionality. 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 summary by CVE is:

Adobe Flash Player versions 23.0.0.207 and earlier, 11.2.202.644 and earlier have an exploitable use after free vulnerability in the TextField class. Successful exploitation could lead to arbitrary code execution.

The bug was discovered 12/13/2016. The weakness was disclosed 12/13/2016 as APSB16-39 as confirmed security bulletin (Website). It is possible to read the advisory at helpx.adobe.com. This vulnerability is uniquely identified as CVE-2016-7892 since 09/09/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/08/2022). 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 95821 (SUSE SLED12 Security Update : flash-player (SUSE-SU-2016:3148-1)), 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 370260 (Adobe Flash Player Remote Code Execution Vulnerability (APSB16-39)). The CISA Known Exploited Vulnerabilities Catalog lists this issue since 03/25/2022 with a due date of 04/15/2022:

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

Upgrading to version 24.0.0.186 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 (95821). The entries 94461, 94462, 94463 and 94464 are pretty similar.

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: 8.5
VulDB Meta Temp Score: 8.4

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 95821
Nessus Name: SUSE SLED12 Security Update : flash-player (SUSE-SU-2016:3148-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 870032
OpenVAS Name: Adobe Flash Player Security Updates( apsb16-39 )-MAC OS X
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 24.0.0.186

Timelineinfo

09/09/2016 🔍
12/13/2016 +95 days 🔍
12/13/2016 +0 days 🔍
12/13/2016 +0 days 🔍
12/13/2016 +0 days 🔍
12/14/2016 +1 days 🔍
12/14/2016 +0 days 🔍
12/15/2016 +1 days 🔍
10/08/2022 +2123 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: APSB16-39
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-7892 (🔍)
OVAL: 🔍

SecurityTracker: 1037442
SecurityFocus: 94877 - Adobe Flash Player APSB16-39 Unspecified Use After Free Remote Code Execution Vulnerability

See also: 🔍

Entryinfo

Created: 12/14/2016 14:48
Updated: 10/08/2022 14:36
Changes: 12/14/2016 14:48 (79), 07/07/2019 10:15 (5), 10/08/2022 14:36 (3)
Complete: 🔍

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