Adobe Flash Player up to 25.0.0.127 ActionScript2 NetStream 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.
7.9$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Adobe Flash Player up to 25.0.0.127. This issue affects the function NetStream of the component ActionScript2. The manipulation results in use after free. This vulnerability was named CVE-2017-3063. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Adobe Flash Player up to 25.0.0.127 (Multimedia Player Software). It has been classified as critical. Affected is the function NetStream of the component ActionScript2. 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. CVE summarizes:

Adobe Flash Player versions 25.0.0.127 and earlier have an exploitable use after free vulnerability in the ActionScript2 NetStream class. Successful exploitation could lead to arbitrary code execution.

The bug was discovered 04/11/2017. The weakness was presented 04/12/2017 with Zero Day Initiative (Website). The advisory is shared for download at helpx.adobe.com. This vulnerability is traded as CVE-2017-3063 since 12/02/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 99283 (Adobe Flash Player <= 25.0.0.127 Multiple Vulnerabilities (APSB17-10)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 100308 (Microsoft Windows Adobe Flash Player Security Update April 2017).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (99283) and SecurityFocus (BID 97551†). See VDB-99703, VDB-99704, VDB-99705 and VDB-99706 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Support

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: 99283
Nessus Name: Adobe Flash Player <= 25.0.0.127 Multiple Vulnerabilities (APSB17-10)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

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

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/02/2016 🔍
04/11/2017 +130 days 🔍
04/11/2017 +0 days 🔍
04/11/2017 +0 days 🔍
04/11/2017 +0 days 🔍
04/12/2017 +1 days 🔍
04/12/2017 +0 days 🔍
04/12/2017 +0 days 🔍
11/28/2022 +2056 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: RHSA-2017:0934
Organization: Zero Day Initiative
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-3063 (🔍)
GCVE (CVE): GCVE-0-2017-3063
GCVE (VulDB): GCVE-100-99708

OVAL: 🔍

SecurityFocus: 97551 - Adobe Flash Player APSB17-10 Multiple Use After Free Remote Code Execution Vulnerabilities
OSVDB: - CVE-2017-3063 - Adobe - Flash Player - Use-After-Free Issue
SecurityTracker: 1038225

See also: 🔍

Entryinfo

Created: 04/12/2017 20:36
Updated: 11/28/2022 20:57
Changes: 04/12/2017 20:36 (69), 08/29/2020 18:15 (14), 11/28/2022 20:57 (5)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you know our Splunk app?

Download it now for free!