Adobe Acrobat Reader up to 11.0.17/15.006.30201/15.017.20053 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 (≈)
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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

A vulnerability was found in Adobe Acrobat Reader up to 11.0.17/15.006.30201/15.017.20053 (Document Reader Software). It has been declared as critical. Affected by this vulnerability is an unknown function. 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 disclosed 10/06/2016 by AbdulAziz Hariri with Zero Day Initiative as APSB16-33 as confirmed security bulletin (Website). The advisory is shared at helpx.adobe.com. The vendor advisory states that the initial disclosure was October 6, 2016. But it appears that the advisory got released on October 11, 2016 to the public. This vulnerability is known as CVE-2016-6944 since 08/23/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/23/2022).

The vulnerability scanner Nessus provides a plugin with the ID 94074 (Adobe Reader < 11.0.18 / 15.006.30243 / 15.020.20039 Multiple Vulnerabilities (APSB16-33) (macOS)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370154 (Adobe Reader and Acrobat Multiple Vulnerabilities (APSB16-33)).

Upgrading to version 11.0.18, 15.006.30243 or 15.020.20039 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 (94074), SecurityFocus (BID 93491†) and SecurityTracker (ID 1036986†).

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 8.0
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
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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: 94074
Nessus Name: Adobe Reader < 11.0.18 / 15.006.30243 / 15.020.20039 Multiple Vulnerabilities (APSB16-33) (macOS)
Nessus File: 🔍
Nessus Family: 🔍

OpenVAS ID: 861284
OpenVAS Name: Adobe Acrobat Security Updates(apsb16-33)-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: Acrobat Reader 11.0.18/15.006.30243/15.020.20039

Timelineinfo

08/23/2016 🔍
10/06/2016 +44 days 🔍
10/06/2016 +0 days 🔍
10/11/2016 +5 days 🔍
10/11/2016 +0 days 🔍
10/13/2016 +2 days 🔍
10/13/2016 +0 days 🔍
09/23/2022 +2171 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: APSB16-33
Researcher: AbdulAziz Hariri
Organization: Zero Day Initiative
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-6944 (🔍)
SecurityFocus: 93491 - Adobe Acrobat and Reader APSB16-33 Use-After-Free Multiple Remote Code Execution Vulnerabilities
SecurityTracker: 1036986 - Adobe Acrobat/Reader Multiple Flaws Let Remote Users Bypass Security Restrictions and Execute Arbitrary Code

Entryinfo

Created: 10/13/2016 09:51 AM
Updated: 09/23/2022 11:51 AM
Changes: 10/13/2016 09:51 AM (71), 04/07/2017 11:06 AM (15), 09/23/2022 11:51 AM (3)
Complete: 🔍
Cache ID: 35:409:40

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