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 (≈)
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

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 classified as critical. Affected is an unknown part. The manipulation with an unknown input leads to a memory corruption 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 shared 10/06/2016 by AbdulAziz Hariri with Zero Day Initiative as APSB16-33 as confirmed security bulletin (Website). The advisory is available 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 traded as CVE-2016-6993 since 08/23/2016. 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. 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 09/23/2022).

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.

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 SecurityTracker (ID 1036986) and Tenable (94074). The entries 92615, 92616, 92617 and 92618 are related to this item.

Productinfo

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CPE 2.3info

CPE 2.2info

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: Memory corruption
CWE: CWE-416 / CWE-119
ATT&CK: Unknown

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 Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 861284
OpenVAS Name: Adobe Acrobat Security Updates(apsb16-33)-MAC OS X
OpenVAS File: 🔍
OpenVAS Family: 🔍

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-2016-6993 (🔍)
SecurityTracker: 1036986 - Adobe Acrobat/Reader Multiple Flaws Let Remote Users Bypass Security Restrictions and Execute Arbitrary Code
SecurityFocus: 93491 - Adobe Acrobat and Reader APSB16-33 Use-After-Free Multiple Remote Code Execution Vulnerabilities

See also: 🔍

Entryinfo

Created: 10/13/2016 09:51 AM
Updated: 09/23/2022 02:34 PM
Changes: (1) source_nessus_risk
Complete: 🔍

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